/* TokenSket shared styles */
:root {
  --brand: #2980FE;
  --brand-dark: #1767D6;
  --brand-soft: #EAF3FF;
  --blue-gray: #F5F8FD;
  --gray: #F7F9FC;
  --white: #FFFFFF;
  --ink: #172033;
  --text: #465266;
  --muted: #718096;
  --line: #DCE6F2;
  --footer: #10233F;
  --shadow: 0 18px 50px rgba(42, 82, 132, .10);
  --shadow-sm: 0 10px 28px rgba(42, 82, 132, .08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shell: min(1180px, calc(100% - 40px));
}

* { 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", 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 { color: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 2000; padding: 10px 16px; border-radius: 12px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(220,230,242,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.nav-shell { width: var(--shell); min-height: 76px; margin: 0 auto; display: grid; grid-template-columns: 190px minmax(0,1fr) auto; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 190px; max-height: 54px; object-fit: contain; object-position: left center; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 2px; min-width: 0; white-space: nowrap; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border-radius: 12px; color: #3e4a5e; font-size: 14px; font-weight: 700; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active, .nav-item.is-active > .nav-link { color: var(--brand-dark); background: var(--brand-soft); }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-chevron { width: 28px; height: 36px; margin-left: -8px; border: 0; border-radius: 10px; background: transparent; cursor: pointer; }
.nav-chevron:hover, .nav-chevron:focus-visible { background: var(--brand-soft); color: var(--brand-dark); }
.mega-menu { position: absolute; top: calc(100% + 14px); left: 0; width: 640px; padding: 18px; display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 10px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s ease; }
.mega-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -18px; height: 18px; }
.nav-item:hover > .mega-menu, .nav-item:focus-within > .mega-menu, .nav-item.is-open > .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-menu--compact { width: 560px; grid-template-columns: 1.05fr 1fr 1fr; }
.mega-menu--right { left: auto; right: 0; }
.mega-intro { grid-row: span 2; padding: 18px; border-radius: 17px; background: linear-gradient(145deg, #edf5ff, #f8fbff); }
.mega-intro strong { display: block; margin-bottom: 7px; color: var(--ink); font-size: 17px; }
.mega-intro span { display: block; color: var(--muted); font-size: 13px; line-height: 1.65; }
.mega-menu > a { min-height: 78px; padding: 12px 14px; border: 1px solid transparent; border-radius: 15px; }
.mega-menu > a:hover, .mega-menu > a:focus-visible { border-color: var(--line); background: var(--gray); }
.mega-menu > a strong, .mega-menu > a span { display: block; }
.mega-menu > a strong { color: var(--ink); font-size: 14px; }
.mega-menu > a span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.nav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.download-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border: 1px solid var(--brand); border-radius: 15px; background: var(--brand); color: #fff; font-weight: 800; box-shadow: 0 10px 25px rgba(41,128,254,.22); transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.download-btn:hover, .download-btn:focus-visible { transform: translateY(-2px); background: var(--brand-dark); box-shadow: 0 14px 30px rgba(41,128,254,.27); }
.site-header .download-btn { min-height: 42px; padding: 0 18px; white-space: nowrap; }
.menu-button { min-width: 46px; height: 42px; padding: 0 13px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); border-radius: 13px; background: #fff; cursor: pointer; }
.menu-button:hover, .menu-button:focus-visible { border-color: var(--brand); color: var(--brand-dark); }
.menu-button__label { font-size: 13px; font-weight: 800; }
.menu-button__icon { font-size: 17px; }

.menu-overlay { position: fixed; inset: 0; z-index: 1190; background: rgba(16,35,63,.40); opacity: 0; transition: opacity .2s ease; }
.menu-overlay.is-visible { opacity: 1; }
.mobile-menu { position: fixed; z-index: 1200; top: 0; right: 0; width: min(470px, 94vw); height: 100dvh; display: grid; grid-template-rows: auto 1fr auto; background: #fff; box-shadow: -20px 0 60px rgba(16,35,63,.18); transform: translateX(105%); transition: transform .24s ease; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__head { min-height: 78px; padding: 12px 22px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.menu-close { width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--gray); font-size: 28px; cursor: pointer; }
.mobile-menu__body { overflow-y: auto; padding: 18px 22px 28px; }
.mobile-home { display: flex; min-height: 48px; align-items: center; padding: 0 14px; border-radius: 14px; color: var(--ink); font-weight: 800; }
.mobile-home:hover { background: var(--brand-soft); color: var(--brand-dark); }
.mobile-group { border-bottom: 1px solid var(--line); }
.mobile-group__toggle { width: 100%; min-height: 54px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border: 0; background: transparent; color: var(--ink); font-weight: 800; cursor: pointer; }
.mobile-group__toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.mobile-group__toggle span { transition: transform .18s ease; }
.mobile-group__links { padding: 0 8px 14px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.mobile-group__links[hidden] { display: none; }
.mobile-group__links a { min-height: 44px; padding: 10px 12px; display: flex; align-items: center; border-radius: 12px; background: var(--gray); color: #40506a; font-size: 14px; }
.mobile-menu__foot { padding: 18px 22px 22px; border-top: 1px solid var(--line); background: var(--blue-gray); }
.mobile-menu__foot .download-btn { width: 100%; }
.mobile-menu__foot p { margin: 11px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

main { display: block; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 92px 0; }
.section--compact { padding: 66px 0; }
.section--soft { background: var(--blue-gray); }
.section--blue { background: linear-gradient(145deg, #eff6ff, #f9fbff); }
.section--dark { color: #dce9ff; background: linear-gradient(135deg, #10233F, #173b6c); }
.section--dark h2, .section--dark h3, .section--dark strong { color: #fff; }
.section--dark p { color: #c9d7eb; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--brand-dark); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 999px; background: var(--brand); }
.section--dark .eyebrow { color: #9ec7ff; }
h1, h2, h3, h4 { margin-top: 0; color: var(--ink); line-height: 1.25; letter-spacing: -.025em; }
h1 { margin-bottom: 22px; font-size: clamp(40px, 5.6vw, 74px); }
h2 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 48px); }
h3 { margin-bottom: 10px; font-size: clamp(20px, 2.2vw, 26px); }
p { margin-top: 0; }
.lead { max-width: 760px; color: #536077; font-size: clamp(17px, 2vw, 20px); line-height: 1.85; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading.center .eyebrow { justify-content: center; }
.section-heading.center p { margin-inline: auto; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); font-weight: 850; }
.text-link::after { content: "→"; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(4px); }
.button-row { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid var(--line); border-radius: 15px; background: #fff; color: var(--ink); font-weight: 800; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--brand); color: var(--brand-dark); }

.hero { position: relative; overflow: hidden; padding: 82px 0 74px; background: radial-gradient(circle at 88% 14%, rgba(41,128,254,.14), transparent 28%), linear-gradient(180deg, #fff, #f7fbff); }
.hero::before { content: ""; position: absolute; width: 440px; height: 440px; left: -220px; bottom: -260px; border: 80px solid rgba(41,128,254,.05); border-radius: 50%; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 60px; }
.hero-copy { min-width: 0; }
.hero-copy .lead { max-width: 680px; }
.hero-tags { margin: 26px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.hero-tags li { padding: 8px 13px; border: 1px solid #cfe2ff; border-radius: 999px; background: rgba(255,255,255,.86); color: #36567d; font-size: 13px; font-weight: 800; }
.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 0; border-radius: 45% 55% 52% 48% / 46% 45% 55% 54%; background: linear-gradient(140deg, #dcebff, #f6faff); }
.hero-visual > img { position: relative; z-index: 1; width: min(100%, 520px); max-height: 540px; object-fit: contain; filter: drop-shadow(0 30px 45px rgba(23,103,214,.18)); }
.float-note { position: absolute; z-index: 2; max-width: 190px; padding: 13px 16px; border: 1px solid rgba(220,230,242,.9); border-radius: 16px; background: rgba(255,255,255,.94); color: var(--ink); box-shadow: var(--shadow-sm); font-size: 13px; font-weight: 800; }
.float-note--one { top: 10%; left: -4%; }
.float-note--two { right: -3%; top: 38%; }
.float-note--three { left: 4%; bottom: 8%; }

.capability-strip { position: relative; z-index: 2; margin-top: -28px; }
.capability-grid { padding: 18px; display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-sm); }
.capability-item { padding: 18px 20px; border-right: 1px solid var(--line); }
.capability-item:last-child { border-right: 0; }
.capability-item strong { display: block; margin-bottom: 7px; color: var(--ink); font-size: 17px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.category-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.category-card { min-height: 230px; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 12px 34px rgba(42,82,132,.055); }
.category-card:nth-child(1) { grid-column: span 2; min-height: 265px; background: linear-gradient(145deg, #e9f3ff, #fff); }
.category-card:nth-child(5), .category-card:nth-child(6), .category-card:nth-child(7) { grid-column: span 1; }
.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-gray); }
.category-number { width: 42px; height: 42px; margin-bottom: 30px; display: grid; place-items: center; border-radius: 13px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 900; }
.category-card p { color: var(--muted); }
.category-card:hover { border-color: #bbd7ff; transform: translateY(-3px); transition: .2s ease; }

.feature-panel { padding: 44px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow-sm); }
.media-split { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 62px; }
.media-split.reverse { grid-template-columns: 1.08fr .92fr; }
.media-split.reverse .media-frame { order: 2; }
.media-frame { min-height: 440px; padding: 34px; display: grid; place-items: center; border-radius: var(--radius-xl); background: linear-gradient(145deg, #e9f3ff, #f9fbff); overflow: hidden; }
.media-frame img { max-height: 490px; object-fit: contain; }
.check-list, .plain-list { margin: 24px 0 0; padding: 0; list-style: none; }
.check-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px 18px; }
.check-list li { position: relative; padding: 11px 12px 11px 38px; border-radius: 13px; background: var(--blue-gray); }
.check-list li::before { content: "✓"; position: absolute; left: 13px; top: 10px; color: var(--brand); font-weight: 900; }
.plain-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.plain-list li:last-child { border-bottom: 0; }

.offset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.offset-card { padding: 38px; border-radius: var(--radius-xl); background: #fff; border: 1px solid var(--line); }
.offset-card:nth-child(2) { margin-top: 72px; background: linear-gradient(145deg, #edf5ff, #fff); }
.offset-card .mini-list { margin-top: 24px; }
.mini-list { display: grid; gap: 9px; }
.mini-list span { display: flex; align-items: center; gap: 10px; color: #42516a; }
.mini-list span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); flex: 0 0 auto; }

.dual-feature { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; align-items: stretch; }
.dual-card { padding: 42px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: #fff; }
.dual-card--visual { display: grid; grid-template-columns: 1fr .82fr; gap: 28px; align-items: center; background: linear-gradient(145deg, #edf5ff, #fff); }
.dual-card--visual img { max-height: 360px; object-fit: contain; }
.dual-card--tall { min-height: 540px; display: flex; flex-direction: column; justify-content: space-between; }

.security-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
.security-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.security-item { padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.06); }
.security-item strong { display: block; margin-bottom: 5px; }
.security-item span { color: #bfd0e6; font-size: 13px; }

.swap-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 54px; align-items: center; }
.swap-visual { padding: 30px; border-radius: var(--radius-xl); background: linear-gradient(145deg, #dcecff, #f8fbff); }
.swap-visual img { max-height: 450px; margin: 0 auto; object-fit: contain; }
.audit-list { counter-reset: audit; display: grid; gap: 10px; }
.audit-list div { counter-increment: audit; padding: 15px 18px; display: flex; align-items: center; gap: 14px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.audit-list div::before { content: counter(audit, decimal-leading-zero); color: var(--brand-dark); font-weight: 900; }

.steps { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 14px; }
.step { position: relative; min-height: 290px; padding: 25px 20px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.step:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 42px; z-index: 2; width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--brand); }
.step-number { display: block; margin-bottom: 36px; color: var(--brand); font-size: 30px; font-weight: 900; }
.step p { color: var(--muted); font-size: 13px; }
.step a { color: var(--brand-dark); font-size: 13px; font-weight: 850; }

.eco-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.eco-card { padding: 42px; border-radius: var(--radius-xl); border: 1px solid var(--line); background: #fff; }
.eco-card:nth-child(2) { background: linear-gradient(145deg, #eaf3ff, #fff); }
.notice-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.notice-row { padding: 22px 0; display: grid; grid-template-columns: 140px 1fr auto; gap: 22px; align-items: start; border-bottom: 1px solid var(--line); }
.notice-row time { color: var(--brand-dark); font-size: 13px; font-weight: 850; }
.notice-row h3 { margin-bottom: 5px; font-size: 19px; }
.notice-row p { margin: 0; color: var(--muted); }

.testimonials { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.quote { min-height: 220px; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.quote:nth-child(2), .quote:nth-child(5) { background: var(--blue-gray); }
.quote-mark { display: block; margin-bottom: 20px; color: var(--brand); font-size: 38px; line-height: 1; }
.quote p { color: #4b5b72; }
.quote strong { color: var(--ink); 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-question { width: 100%; min-height: 76px; padding: 18px 6px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; cursor: pointer; }
.faq-question::after { content: "+"; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--brand-soft); color: var(--brand-dark); font-size: 21px; flex: 0 0 auto; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 52px 24px 6px; color: var(--muted); }
.faq-answer[hidden] { display: none; }

.download-cta { padding: 70px 40px; border-radius: 32px; text-align: center; background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.18), transparent 25%), linear-gradient(135deg, #2980FE, #1767D6); box-shadow: 0 28px 60px rgba(23,103,214,.22); }
.download-cta h2, .download-cta p { color: #fff; }
.download-cta p { max-width: 700px; margin-inline: auto; opacity: .88; }
.download-cta .download-btn { border-color: #fff; background: #fff; color: var(--brand-dark); box-shadow: none; }
.download-cta .button-row { justify-content: center; }
.download-cta .button-secondary { border-color: rgba(255,255,255,.55); background: transparent; color: #fff; }

.page-hero { padding: 80px 0 62px; background: radial-gradient(circle at 88% 18%, rgba(41,128,254,.13), transparent 25%), linear-gradient(180deg, #fff, #f6faff); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(320px,.92fr); gap: 60px; align-items: center; }
.page-hero h1 { font-size: clamp(38px,5vw,64px); }
.page-hero__visual { min-height: 360px; padding: 28px; display: grid; place-items: center; border-radius: var(--radius-xl); background: linear-gradient(145deg, #e4f0ff, #fff); }
.page-hero__visual img { max-height: 390px; object-fit: contain; }
.breadcrumbs { margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--brand-dark); }
.content-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 44px; align-items: start; }
.prose h2 { margin-top: 52px; }
.prose h3 { margin-top: 34px; }
.prose p { color: #4c596e; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 9px; }
.side-panel { position: sticky; top: 102px; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--blue-gray); }
.side-panel h3 { font-size: 18px; }
.side-panel a:not(.download-btn) { display: flex; padding: 11px 0; border-bottom: 1px solid var(--line); color: #44546b; font-size: 14px; }
.side-panel a:not(.download-btn):hover { color: var(--brand-dark); }
.side-panel .download-btn { width: 100%; margin-top: 20px; }
.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: 20px; background: #fff; }
.info-card p { margin-bottom: 0; color: var(--muted); }
.process-list { display: grid; gap: 15px; }
.process-item { padding: 24px; display: grid; grid-template-columns: 56px 1fr; gap: 20px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.process-item__number { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 16px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 900; }
.warning-box { padding: 28px; border-left: 5px solid var(--brand); border-radius: 0 18px 18px 0; background: var(--brand-soft); }
.warning-box strong { color: var(--ink); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--blue-gray); color: var(--ink); }
tr:last-child td { border-bottom: 0; }
.contact-scope { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.contact-card { padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.contact-card:nth-child(2n) { background: var(--blue-gray); }

.site-footer { padding: 72px 0 26px; color: #c7d4e6; background: var(--footer); }
.footer-grid { width: var(--shell); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 48px; }
.brand--footer img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 430px; margin-top: 20px; color: #aebed3; font-size: 14px; }
.footer-grid nav { display: grid; align-content: start; gap: 9px; }
.footer-grid nav strong { margin-bottom: 5px; color: #fff; }
.footer-grid nav a { color: #b9c8da; font-size: 14px; }
.footer-grid nav a:hover { color: #fff; }
.footer-notice { width: var(--shell); margin: 44px auto 0; padding: 20px 22px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.045); }
.footer-notice p { margin: 0; color: #c4d2e4; font-size: 13px; }
.footer-notice strong { color: #fff; }
.footer-bottom { width: var(--shell); margin: 26px auto 0; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.08); color: #8fa4be; font-size: 12px; }

@media (max-width: 1120px) {
  .nav-shell { grid-template-columns: 180px 1fr auto; gap: 10px; }
  .desktop-nav { display: none; }
  .menu-button__label { display: none; }
  .hero-grid, .page-hero__grid { gap: 34px; }
  .steps { grid-template-columns: repeat(3,1fr); }
  .step:nth-child(3)::after { display: none; }
  .footer-grid { grid-template-columns: 1.4fr repeat(3,1fr); gap: 30px; }
}

@media (max-width: 860px) {
  :root { --shell: min(100% - 28px, 720px); }
  .section { padding: 72px 0; }
  .nav-shell { min-height: 70px; grid-template-columns: minmax(130px,1fr) auto; }
  .brand img { width: 165px; }
  .nav-actions { grid-column: 2; }
  .hero { padding-top: 54px; }
  .hero-grid, .page-hero__grid, .media-split, .media-split.reverse, .security-grid, .swap-layout, .content-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 420px; }
  .media-split.reverse .media-frame { order: 0; }
  .capability-grid { grid-template-columns: repeat(2,1fr); }
  .capability-item:nth-child(2) { border-right: 0; }
  .capability-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .category-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .category-card, .category-card:nth-child(1), .category-card:nth-child(9), .category-card:nth-child(10) { grid-column: span 1; }
  .offset-grid, .dual-feature, .eco-grid { grid-template-columns: 1fr; }
  .offset-card:nth-child(2) { margin-top: 0; }
  .dual-card--visual { grid-template-columns: 1fr; }
  .testimonials { grid-template-columns: repeat(2,1fr); }
  .info-grid { grid-template-columns: repeat(2,1fr); }
  .side-panel { position: static; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 24px); }
  .section { padding: 58px 0; }
  .section--compact { padding: 48px 0; }
  .nav-shell { min-height: 66px; }
  .brand img { width: 138px; }
  .site-header .download-btn { min-height: 40px; padding: 0 13px; font-size: 13px; }
  .menu-button { width: 42px; min-width: 42px; padding: 0; }
  .hero { padding: 44px 0 54px; }
  h1 { font-size: clamp(36px,11vw,52px); }
  h2 { font-size: clamp(29px,9vw,38px); }
  .hero-visual { min-height: 350px; margin-top: 8px; }
  .float-note { position: relative; inset: auto !important; max-width: none; margin: 8px 0; display: inline-flex; }
  .hero-visual { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; }
  .hero-visual > img { width: 100%; }
  .capability-strip { margin-top: 0; padding-top: 12px; }
  .capability-grid, .category-grid, .check-list, .security-list, .testimonials, .info-grid, .contact-scope, .footer-grid { grid-template-columns: 1fr; }
  .capability-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-item:last-child { border-bottom: 0; }
  .category-card { min-height: 215px; }
  .feature-panel, .offset-card, .dual-card, .eco-card { padding: 26px; }
  .media-frame { min-height: 310px; padding: 20px; }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: 230px; }
  .step:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -21px; transform: translateX(50%); }
  .notice-row { grid-template-columns: 1fr; gap: 6px; }
  .notice-row .text-link { justify-self: start; }
  .download-cta { padding: 50px 22px; border-radius: 24px; }
  .page-hero { padding: 48px 0; }
  .page-hero__grid { grid-template-columns: 1fr; }
  .page-hero__visual { min-height: 280px; }
  .process-item { grid-template-columns: 48px 1fr; padding: 20px; gap: 14px; }
  .footer-grid nav { padding-top: 12px; border-top: 1px solid rgba(255,255,255,.08); }
  .footer-bottom { flex-direction: column; }
  .mobile-group__links { grid-template-columns: 1fr; }
  .mobile-menu__head, .mobile-menu__body, .mobile-menu__foot { padding-left: 18px; padding-right: 18px; }
}