:root {
    --brand: #2980FE;
    --brand-deep: #1767D6;
    --brand-soft: #EAF3FF;
    --brand-pale: #F5F8FD;
    --surface: #FFFFFF;
    --surface-alt: #F7F9FC;
    --text: #172033;
    --body: #465266;
    --muted: #718096;
    --border: #DCE6F2;
    --footer: #10233F;
    --shadow-sm: 0 10px 30px rgba(23, 103, 214, .08);
    --shadow-md: 0 22px 60px rgba(23, 103, 214, .12);
    --radius-sm: 16px;
    --radius-md: 22px;
    --radius-lg: 28px;
    --container: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--body); background: var(--surface); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 9999; background: #fff; padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.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,.8); backdrop-filter: blur(14px); }
.nav-shell { width: min(calc(100% - 36px), 1340px); min-height: 76px; margin: 0 auto; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; min-width: 132px; }
.brand img { max-height: 44px; width: auto; object-fit: contain; }
.desktop-nav { display: flex; align-items: stretch; justify-content: center; gap: 2px; min-width: 0; }
.nav-link { min-height: 76px; display: inline-flex; align-items: center; gap: 5px; padding: 0 11px; color: var(--text); font-weight: 700; font-size: 14px; white-space: nowrap; position: relative; }
.nav-link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 12px; height: 2px; border-radius: 2px; background: var(--brand); transform: scaleX(0); transition: .2s ease; }
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--brand-deep); }
.nav-dropdown { position: relative; }
.mega-menu { position: absolute; left: 50%; top: calc(100% - 4px); width: 660px; transform: translate(-50%, 10px); padding: 22px; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transition: .2s ease; display: grid; grid-template-columns: 180px 1fr; gap: 18px; }
.nav-dropdown:hover .mega-menu, .nav-dropdown:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega-intro { padding: 18px; border-radius: 18px; background: linear-gradient(145deg, var(--brand-soft), #fff); display: flex; flex-direction: column; gap: 8px; }
.mega-intro strong { color: var(--text); line-height: 1.55; font-size: 16px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-deep); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--brand); border-radius: 2px; }
.mega-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mega-links a { border-radius: 14px; padding: 11px 12px; display: flex; flex-direction: column; transition: .18s ease; }
.mega-links a:hover, .mega-links a:focus-visible { background: var(--brand-pale); transform: translateY(-1px); }
.mega-links span { color: var(--text); font-weight: 800; font-size: 14px; }
.mega-links small { color: var(--muted); line-height: 1.45; margin-top: 2px; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.download-btn { min-height: 48px; padding: 12px 22px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; border: 1px solid transparent; transition: .2s ease; cursor: pointer; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; box-shadow: 0 12px 28px rgba(41,128,254,.25); }
.download-btn:hover { transform: translateY(-2px); }
.nav-actions .download-btn { min-height: 42px; padding: 9px 17px; font-size: 14px; white-space: nowrap; }
.mobile-menu .download-btn { width: 100%; margin-top: 20px; }
.side-panel .download-btn { width: 100%; }
.cta-band .download-btn { background: #fff; color: var(--brand-deep); box-shadow: none; }
.button { min-height: 48px; padding: 12px 22px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; border: 1px solid transparent; transition: .2s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; box-shadow: 0 12px 28px rgba(41,128,254,.25); }
.button-secondary { color: var(--brand-deep); background: #fff; border-color: var(--border); }
.button-ghost { color: var(--text); background: transparent; border-color: rgba(255,255,255,.35); }
.button-compact { min-height: 42px; padding: 9px 17px; font-size: 14px; white-space: nowrap; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid var(--border); background: #fff; border-radius: 14px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: var(--text); }
.menu-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(16,35,63,.5); opacity: 0; transition: .2s ease; }
.menu-overlay.is-visible { opacity: 1; }
.mobile-menu { position: fixed; z-index: 1100; top: 0; right: 0; width: min(92vw, 460px); height: 100dvh; background: #fff; transform: translateX(102%); transition: .25s ease; box-shadow: -20px 0 60px rgba(16,35,63,.18); display: flex; flex-direction: column; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { min-height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border); }
.menu-close { width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--border); background: #fff; font-size: 28px; line-height: 1; cursor: pointer; }
.mobile-menu-body { padding: 18px 20px 32px; overflow-y: auto; }
.mobile-home { min-height: 50px; display: flex; align-items: center; color: var(--text); font-weight: 800; border-bottom: 1px solid var(--border); }
.mobile-group { border-bottom: 1px solid var(--border); }
.mobile-group-toggle { width: 100%; min-height: 54px; padding: 0; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; color: var(--text); font-weight: 800; cursor: pointer; }
.mobile-group-panel { padding: 0 0 14px; }
.mobile-group-panel p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.mobile-group-panel a { display: block; padding: 10px 12px; border-radius: 12px; color: var(--text); }
.mobile-group-panel a:hover { background: var(--brand-pale); }
.mobile-download { width: 100%; margin-top: 20px; }
main { min-height: 60vh; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--brand-pale); }
.section-alt { background: var(--surface-alt); }
.section-dark { background: linear-gradient(135deg, var(--footer), #163b6c); color: #fff; }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 10px 0 14px; color: var(--text); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; letter-spacing: -.03em; }
.section-dark .section-heading h2 { color: #fff; }
.section-heading p { margin: 0; font-size: 17px; color: var(--muted); }
.section-dark .section-heading p { color: rgba(255,255,255,.76); }
h1, h2, h3, h4 { color: var(--text); line-height: 1.25; }
p { margin-top: 0; }
.hero { position: relative; overflow: hidden; padding: 72px 0 68px; background: radial-gradient(circle at 78% 14%, rgba(41,128,254,.16), transparent 34%), linear-gradient(180deg, #fff, #f7fbff); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; left: -230px; top: 90px; border-radius: 50%; border: 1px solid rgba(41,128,254,.14); box-shadow: 0 0 0 55px rgba(41,128,254,.03), 0 0 0 110px rgba(41,128,254,.02); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 52px; }
.hero-copy h1 { margin: 14px 0 22px; font-size: clamp(44px, 6.4vw, 78px); letter-spacing: -.055em; }
.hero-copy .lead { max-width: 720px; color: var(--body); font-size: clamp(18px, 2vw, 22px); line-height: 1.7; }
.hero-copy .hero-note { max-width: 730px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { padding: 8px 13px; border-radius: 999px; color: var(--brand-deep); background: var(--brand-soft); font-weight: 800; font-size: 13px; }
.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(145deg, rgba(41,128,254,.17), rgba(255,255,255,.2)); filter: blur(2px); }
.hero-visual img { position: relative; max-height: 520px; object-fit: contain; filter: drop-shadow(0 34px 38px rgba(23,103,214,.16)); }
.float-note { position: absolute; z-index: 2; width: 178px; padding: 13px 15px; background: rgba(255,255,255,.9); border: 1px solid rgba(220,230,242,.9); border-radius: 16px; box-shadow: var(--shadow-sm); font-size: 13px; color: var(--text); font-weight: 800; }
.float-note::before { content: ""; width: 8px; height: 8px; display: inline-block; margin-right: 8px; border-radius: 50%; background: var(--brand); }
.float-note.one { left: 0; top: 20%; }
.float-note.two { right: -4%; top: 42%; }
.float-note.three { left: 5%; bottom: 12%; }
.capability-strip { position: relative; margin-top: -26px; z-index: 5; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow-md); overflow: hidden; }
.capability-item { padding: 25px; position: relative; }
.capability-item + .capability-item::before { content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 1px; background: var(--border); }
.capability-item h2 { margin: 0 0 8px; font-size: 18px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.category-card { min-height: 230px; padding: 26px; border-radius: var(--radius-md); border: 1px solid var(--border); background: #fff; display: flex; flex-direction: column; justify-content: space-between; transition: .2s ease; overflow: hidden; position: relative; }
.category-card::after { content: ""; width: 120px; height: 120px; position: absolute; right: -56px; bottom: -56px; border-radius: 50%; background: var(--brand-soft); transition: .25s ease; }
.category-card:hover { transform: translateY(-5px); border-color: rgba(41,128,254,.35); box-shadow: var(--shadow-sm); }
.category-card:hover::after { transform: scale(1.25); }
.category-card.featured { grid-column: span 2; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; }
.category-card.featured h3, .category-card.featured p, .category-card.featured a { color: #fff; }
.category-card.wide { grid-column: span 2; min-height: 205px; background: linear-gradient(145deg, #fff, var(--brand-pale)); }
.category-card .category-number { color: var(--brand); font-weight: 900; font-size: 13px; letter-spacing: .12em; }
.category-card.featured .category-number { color: rgba(255,255,255,.75); }
.category-card h3 { margin: 12px 0 10px; font-size: 24px; }
.category-card p { color: var(--muted); margin: 0 0 18px; }
.category-card a { color: var(--brand-deep); font-weight: 800; position: relative; z-index: 2; }
.feature-split { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 56px; }
.feature-split.reverse { grid-template-columns: 1.08fr .92fr; }
.feature-media { min-height: 500px; display: flex; align-items: center; justify-content: center; padding: 28px; border-radius: var(--radius-lg); background: linear-gradient(145deg, #dfeeff, #fff); position: relative; overflow: hidden; }
.feature-media img { max-height: 470px; object-fit: contain; position: relative; z-index: 2; filter: drop-shadow(0 28px 30px rgba(23,103,214,.15)); }
.feature-media::after { content: ""; position: absolute; width: 330px; height: 330px; border-radius: 50%; background: rgba(41,128,254,.12); right: -100px; bottom: -120px; }
.feature-copy h2 { margin: 12px 0 18px; font-size: clamp(32px, 4vw, 50px); }
.feature-copy > p { font-size: 17px; color: var(--body); }
.check-list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.check-list.two-col { grid-template-columns: repeat(2, 1fr); }
.check-list li { position: relative; padding: 13px 15px 13px 44px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.78); color: var(--text); font-weight: 700; }
.check-list li::before { content: "✓"; position: absolute; left: 14px; top: 12px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand-deep); font-size: 13px; }
.text-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.topic-panel { padding: 34px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow-sm); }
.topic-panel.offset { transform: translateY(38px); background: linear-gradient(145deg, var(--brand-pale), #fff); }
.topic-panel h3 { font-size: 30px; margin: 12px 0 14px; }
.topic-panel p { color: var(--body); }
.topic-panel ul { padding-left: 20px; }
.topic-panel li + li { margin-top: 8px; }
.dapp-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; align-items: stretch; }
.dapp-panel { border-radius: var(--radius-lg); padding: 36px; border: 1px solid var(--border); background: #fff; }
.dapp-panel.large { min-height: 520px; background: linear-gradient(145deg, #fff, var(--brand-pale)); display: grid; grid-template-columns: 1fr .75fr; align-items: center; gap: 24px; }
.dapp-panel.large img { max-height: 340px; object-fit: contain; }
.dapp-panel.small { background: var(--footer); color: #fff; }
.dapp-panel.small h3, .dapp-panel.small a { color: #fff; }
.dapp-panel.small p, .dapp-panel.small li { color: rgba(255,255,255,.78); }
.security-stage { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: center; }
.security-title h2 { color: #fff; font-size: clamp(36px, 5vw, 60px); margin: 12px 0 20px; }
.security-title p { color: rgba(255,255,255,.78); font-size: 17px; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-item { min-height: 130px; padding: 20px; border-radius: 18px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.16); }
.security-item h3 { color: #fff; margin: 0 0 8px; font-size: 17px; }
.security-item p { color: rgba(255,255,255,.72); margin: 0; font-size: 14px; }
.swap-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: center; }
.swap-media { padding: 28px; border-radius: var(--radius-lg); background: linear-gradient(145deg, var(--brand-soft), #fff); }
.swap-media img { max-height: 390px; margin: auto; object-fit: contain; }
.audit-list { counter-reset: audit; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.audit-item { counter-increment: audit; padding: 17px 18px; border-radius: 16px; border: 1px solid var(--border); background: #fff; display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 800; }
.audit-item::before { content: counter(audit, decimal-leading-zero); color: var(--brand); font-size: 13px; }
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; position: relative; }
.step { position: relative; padding: 22px 18px; border-radius: 18px; background: #fff; border: 1px solid var(--border); min-height: 250px; }
.step::after { content: ""; position: absolute; right: -15px; top: 48px; width: 15px; height: 1px; background: var(--border); }
.step:last-child::after { display: none; }
.step-number { width: 40px; height: 40px; border-radius: 14px; display: grid; place-items: center; background: var(--brand); color: #fff; font-weight: 900; }
.step h3 { margin: 18px 0 10px; font-size: 18px; }
.step p { color: var(--muted); font-size: 14px; }
.step a { color: var(--brand-deep); font-weight: 800; font-size: 14px; }
.eco-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.eco-panel { padding: 38px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: linear-gradient(145deg, #fff, var(--brand-pale)); }
.eco-panel:nth-child(2) { background: #fff; box-shadow: var(--shadow-sm); }
.timeline { display: grid; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 130px 1fr auto; gap: 22px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--border); }
.timeline-item:first-child { border-top: 1px solid var(--border); }
.timeline-time { color: var(--brand-deep); font-weight: 800; }
.timeline-item h3 { margin: 0 0 6px; font-size: 19px; }
.timeline-item p { margin: 0; color: var(--muted); }
.timeline-item a { color: var(--brand-deep); font-weight: 800; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review { padding: 26px; border-radius: 20px; border: 1px solid var(--border); background: #fff; }
.review:nth-child(2), .review:nth-child(5) { transform: translateY(18px); background: var(--brand-pale); }
.review-mark { color: var(--brand); font-size: 38px; line-height: 1; }
.review p { color: var(--body); margin: 12px 0 16px; }
.review strong { color: var(--text); font-size: 14px; }
.faq-list { max-width: 920px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 18px; background: #fff; overflow: hidden; }
.faq-question { width: 100%; min-height: 68px; padding: 17px 22px; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; color: var(--text); font-weight: 800; cursor: pointer; }
.faq-symbol { width: 30px; height: 30px; border-radius: 10px; background: var(--brand-soft); color: var(--brand-deep); display: grid; place-items: center; flex: 0 0 auto; }
.faq-answer { padding: 0 22px 20px; color: var(--body); }
.faq-answer p:last-child { margin-bottom: 0; }
.cta-band { padding: 56px; border-radius: 30px; text-align: center; background: radial-gradient(circle at 80% 10%, rgba(255,255,255,.22), transparent 32%), linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; }
.cta-band h2 { color: #fff; font-size: clamp(32px, 5vw, 52px); margin: 8px 0 14px; }
.cta-band p { max-width: 720px; margin: 0 auto 26px; color: rgba(255,255,255,.82); }
.cta-band .button-secondary { border-color: transparent; }
.page-hero { padding: 72px 0 68px; background: radial-gradient(circle at 82% 8%, rgba(41,128,254,.13), transparent 35%), linear-gradient(180deg, #fff, var(--brand-pale)); border-bottom: 1px solid var(--border); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 46px; align-items: center; }
.page-hero h1 { margin: 12px 0 18px; font-size: clamp(42px, 6vw, 68px); letter-spacing: -.045em; }
.page-hero p { font-size: 18px; color: var(--body); max-width: 760px; }
.page-hero-visual { min-height: 320px; border-radius: var(--radius-lg); background: linear-gradient(145deg, var(--brand-soft), #fff); padding: 28px; display: flex; align-items: center; justify-content: center; }
.page-hero-visual img { max-height: 320px; object-fit: contain; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-card { padding: 28px; border-radius: 20px; border: 1px solid var(--border); background: #fff; }
.info-card h2, .info-card h3 { margin: 0 0 12px; font-size: 22px; }
.info-card p { color: var(--muted); margin-bottom: 0; }
.content-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.prose { font-size: 17px; }
.prose h2 { font-size: 34px; margin: 0 0 16px; }
.prose h3 { font-size: 23px; margin: 30px 0 12px; }
.prose p { color: var(--body); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.side-panel { position: sticky; top: 102px; padding: 28px; border-radius: 22px; background: var(--brand-pale); border: 1px solid var(--border); }
.side-panel h2 { margin: 0 0 12px; font-size: 23px; }
.side-panel ul { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; }
.side-panel li { padding: 11px 12px; border-radius: 12px; background: #fff; border: 1px solid var(--border); color: var(--text); font-weight: 700; }
.compare-table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); background: #fff; border-radius: 18px; overflow: hidden; }
.compare-table th, .compare-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.compare-table th { background: var(--brand-pale); color: var(--text); }
.notice { padding: 22px 24px; border-left: 4px solid var(--brand); border-radius: 0 16px 16px 0; background: var(--brand-pale); }
.notice strong { color: var(--text); }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-card { padding: 30px; border: 1px solid var(--border); border-radius: 22px; background: #fff; }
.contact-card h2 { font-size: 24px; margin: 0 0 12px; }
.contact-card p { color: var(--muted); }
.site-footer { background: var(--footer); color: rgba(255,255,255,.72); }
.footer-main { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 66px 0 44px; display: grid; grid-template-columns: 1.05fr 2fr; gap: 56px; }
.footer-brand img { filter: brightness(0) invert(1); margin-bottom: 20px; }
.footer-brand p { max-width: 360px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links h2 { color: #fff; font-size: 15px; margin: 0 0 14px; }
.footer-links a { display: block; padding: 5px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 24px; font-size: 13px; }
.footer-bottom p { margin: 0; }
@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .nav-shell { grid-template-columns: auto 1fr auto; }
    .nav-actions { grid-column: 3; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .category-card.featured, .category-card.wide { grid-column: span 1; }
    .steps { grid-template-columns: repeat(3, 1fr); }
    .step:nth-child(3)::after, .step:nth-child(6)::after { display: none; }
    .footer-main { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .hero-grid, .page-hero-grid, .feature-split, .feature-split.reverse, .security-stage, .swap-grid, .content-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 48px; }
    .hero-visual { min-height: 420px; }
    .capability-grid { grid-template-columns: repeat(2, 1fr); }
    .capability-item:nth-child(3)::before { display: none; }
    .dapp-grid { grid-template-columns: 1fr; }
    .dapp-panel.large { grid-template-columns: 1fr 1fr; }
    .dual-grid, .eco-grid { grid-template-columns: 1fr; }
    .topic-panel.offset { transform: none; }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .review:nth-child(2), .review:nth-child(5) { transform: none; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .side-panel { position: static; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nav-shell { width: min(calc(100% - 24px), 1340px); min-height: 68px; gap: 10px; }
    .brand { min-width: 0; }
    .brand img { max-width: 112px; max-height: 38px; }
    .nav-actions { gap: 7px; }
    .button-compact { min-height: 44px; padding: 9px 13px; font-size: 13px; }
    .container { width: min(calc(100% - 28px), var(--container)); }
    .section { padding: 58px 0; }
    .section-sm { padding: 48px 0; }
    .hero { padding: 42px 0 52px; }
    .hero-copy h1 { font-size: clamp(40px, 13vw, 58px); }
    .hero-actions .download-btn { min-height: 48px; padding: 12px 22px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; border: 1px solid transparent; transition: .2s ease; cursor: pointer; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; box-shadow: 0 12px 28px rgba(41,128,254,.25); }
.download-btn:hover { transform: translateY(-2px); }
.nav-actions .download-btn { min-height: 42px; padding: 9px 17px; font-size: 14px; white-space: nowrap; }
.mobile-menu .download-btn { width: 100%; margin-top: 20px; }
.side-panel .download-btn { width: 100%; }
.cta-band .download-btn { background: #fff; color: var(--brand-deep); box-shadow: none; }
.button { width: 100%; }
    .hero-visual { min-height: 380px; padding-top: 30px; }
    .hero-visual img { max-height: 340px; }
    .float-note { width: 148px; font-size: 12px; padding: 10px 12px; }
    .float-note.one { top: 8%; }
    .float-note.two { right: 0; top: 48%; }
    .float-note.three { left: 0; bottom: 2%; }
    .capability-strip { margin-top: -12px; }
    .capability-grid, .category-grid, .security-grid, .audit-list, .review-grid, .info-grid, .contact-grid { grid-template-columns: 1fr; }
    .capability-item + .capability-item::before { left: 20px; right: 20px; top: 0; bottom: auto; height: 1px; width: auto; }
    .feature-media { min-height: 380px; padding: 20px; }
    .feature-media img { max-height: 350px; }
    .check-list.two-col { grid-template-columns: 1fr; }
    .dapp-panel.large { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .step { min-height: auto; }
    .step::after { display: none; }
    .timeline-item { grid-template-columns: 1fr; gap: 8px; }
    .timeline-item a { justify-self: start; }
    .cta-band { padding: 38px 22px; }
    .cta-band .download-btn { min-height: 48px; padding: 12px 22px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 800; border: 1px solid transparent; transition: .2s ease; cursor: pointer; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: #fff; box-shadow: 0 12px 28px rgba(41,128,254,.25); }
.download-btn:hover { transform: translateY(-2px); }
.nav-actions .download-btn { min-height: 42px; padding: 9px 17px; font-size: 14px; white-space: nowrap; }
.mobile-menu .download-btn { width: 100%; margin-top: 20px; }
.side-panel .download-btn { width: 100%; }
.cta-band .download-btn { background: #fff; color: var(--brand-deep); box-shadow: none; }
.button { width: 100%; }
    .page-hero { padding: 50px 0; }
    .page-hero h1 { font-size: clamp(38px, 12vw, 54px); }
    .page-hero-visual { min-height: 260px; }
    .compare-table { display: block; overflow-x: auto; white-space: normal; }
    .footer-main { width: min(calc(100% - 28px), var(--container)); padding-top: 52px; gap: 36px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
    .footer-bottom { width: min(calc(100% - 28px), var(--container)); flex-direction: column; }
}