:root {
    --brand: #2980FE;
    --brand-deep: #1767D6;
    --brand-soft: #EAF3FF;
    --ice: #F5F8FD;
    --gray: #F7F9FC;
    --white: #FFFFFF;
    --ink: #172033;
    --text: #465266;
    --muted: #718096;
    --border: #DCE6F2;
    --footer: #10233F;
    --shadow: 0 18px 50px rgba(23, 103, 214, 0.10);
    --shadow-soft: 0 10px 30px rgba(16, 35, 63, 0.07);
    --radius-sm: 14px;
    --radius: 22px;
    --radius-lg: 30px;
    --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.menu-open, html.menu-open body { overflow: hidden; }
body {
    margin: 0;
    color: var(--text);
    background: var(--white);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-deep); text-decoration: none; }
a:hover { color: var(--brand); }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: 12px;
    color: var(--white);
    background: var(--brand-deep);
    transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.92);
    border-bottom: 1px solid rgba(220,230,242,.88);
    backdrop-filter: blur(18px);
}
.header-inner {
    width: min(calc(100% - 40px), 1320px);
    min-height: 76px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
}
.brand { display: inline-flex; align-items: center; min-width: 148px; }
.brand img { object-fit: contain; max-height: 44px; }
.desktop-nav {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 2px;
    white-space: nowrap;
}
.nav-link {
    min-height: 76px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
    position: relative;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--brand);
    transform: scaleX(0);
    transition: transform .2s ease;
}
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link.is-active::after, .nav-group.is-active > .nav-link::after { transform: scaleX(1); }
.nav-group { position: relative; }
.mega-menu {
    position: absolute;
    left: -120px;
    top: calc(100% - 1px);
    width: 620px;
    padding: 22px;
    display: grid;
    grid-template-columns: 190px 1fr;
    gap: 22px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.mega-menu-right { left: auto; right: -90px; }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.mega-intro { padding: 12px; border-radius: 16px; background: linear-gradient(145deg, var(--brand-soft), var(--ice)); }
.mega-intro strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 8px; }
.mega-intro span { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; white-space: normal; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mega-links a { padding: 10px 12px; border-radius: 12px; color: var(--ink); }
.mega-links a:hover, .mega-links a:focus-visible { background: var(--ice); }
.mega-links b, .mega-links span { display: block; white-space: normal; }
.mega-links b { font-size: 14px; }
.mega-links span { margin-top: 2px; color: var(--muted); font-size: 12px; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--white);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: var(--ink); }

.button {
    min-height: 48px;
    padding: 12px 20px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 800;
    line-height: 1.2;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: linear-gradient(135deg, var(--brand), var(--brand-deep)); box-shadow: 0 12px 24px rgba(41,128,254,.20); }
.button-primary:hover { color: var(--white); box-shadow: 0 16px 30px rgba(41,128,254,.28); }
.button-secondary { color: var(--brand-deep); background: var(--white); border: 1px solid var(--border); }
.button-secondary:hover { background: var(--brand-soft); }
.button-ghost { color: var(--ink); background: transparent; border: 1px solid rgba(255,255,255,.34); }
.button-ghost:hover { color: var(--white); background: rgba(255,255,255,.10); }
.button-compact { min-height: 42px; padding: 10px 16px; border-radius: 12px; font-size: 14px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(16,35,63,.38);
    opacity: 0;
    transition: opacity .22s ease;
}
.menu-overlay.is-visible { opacity: 1; }
.mobile-menu {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1100;
    width: min(92vw, 430px);
    background: var(--white);
    box-shadow: -24px 0 60px rgba(16,35,63,.18);
    transform: translateX(104%);
    transition: transform .24s ease;
    overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { min-height: 76px; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.menu-close { width: 44px; height: 44px; border: 0; border-radius: 14px; background: var(--ice); color: var(--ink); font-size: 28px; line-height: 1; }
.mobile-menu-body { padding: 18px 20px 34px; }
.mobile-home, .mobile-nav-toggle { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--border); font-weight: 800; text-align: left; }
.mobile-nav-toggle span { color: var(--brand); font-size: 20px; }
.mobile-subnav { display: none; padding: 8px 0 10px 16px; }
.mobile-subnav.is-open { display: grid; }
.mobile-subnav a { min-height: 44px; display: flex; align-items: center; padding: 8px 10px; border-radius: 10px; color: var(--text); }
.mobile-subnav a:hover { background: var(--ice); color: var(--brand-deep); }
.mobile-download { width: 100%; margin-top: 20px; }

main { min-height: 55vh; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.section { padding: 88px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--ice); }
.section-blue { background: linear-gradient(145deg, #F3F8FF 0%, #EAF3FF 55%, #F8FBFF 100%); }
.section-dark { color: rgba(255,255,255,.84); background: linear-gradient(135deg, var(--footer), #17477E 65%, #1767D6); }
.section-dark h2, .section-dark h3, .section-dark strong { color: var(--white); }
.section-dark a:not(.button) { color: #CFE3FF; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { margin: 0 0 12px; color: var(--brand-deep); font-size: 13px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.section-dark .eyebrow { color: #AFCFFF; }
h1, h2, h3 { margin-top: 0; color: var(--ink); line-height: 1.22; letter-spacing: -.02em; }
h1 { margin-bottom: 22px; font-size: clamp(38px, 5.4vw, 70px); }
h2 { margin-bottom: 18px; font-size: clamp(28px, 4vw, 46px); }
h3 { margin-bottom: 12px; font-size: clamp(19px, 2.2vw, 25px); }
p { margin-top: 0; }
.lead { max-width: 780px; font-size: clamp(18px, 2.1vw, 22px); color: var(--text); }
.section-dark .lead { color: rgba(255,255,255,.82); }
.muted { color: var(--muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag { padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--brand-deep); background: rgba(255,255,255,.75); font-size: 13px; font-weight: 800; }

.hero { position: relative; padding: 72px 0 52px; overflow: hidden; background: radial-gradient(circle at 88% 16%, rgba(41,128,254,.18), transparent 34%), linear-gradient(180deg, #FBFDFF, #F3F8FF); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; left: -210px; bottom: -240px; border: 1px solid rgba(41,128,254,.16); border-radius: 50%; box-shadow: 0 0 0 55px rgba(41,128,254,.035), 0 0 0 110px rgba(41,128,254,.025); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(360px, .84fr); gap: 48px; align-items: center; }
.hero-copy { padding: 28px 0; }
.hero-copy p { max-width: 720px; }
.hero-visual { position: relative; min-height: 540px; display: grid; place-items: center; }
.hero-product { width: min(100%, 460px); max-height: 520px; object-fit: contain; filter: drop-shadow(0 28px 34px rgba(23,103,214,.16)); }
.float-note { position: absolute; min-width: 175px; padding: 14px 16px; border: 1px solid rgba(220,230,242,.9); border-radius: 16px; background: rgba(255,255,255,.88); box-shadow: var(--shadow-soft); backdrop-filter: blur(12px); }
.float-note strong { display: block; color: var(--ink); font-size: 14px; }
.float-note span { color: var(--muted); font-size: 12px; }
.float-note.one { top: 13%; left: 0; }
.float-note.two { right: -2%; top: 38%; }
.float-note.three { left: 4%; bottom: 8%; }

.capability-strip { position: relative; z-index: 3; margin-top: -18px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.capability-item { padding: 26px; }
.capability-item + .capability-item { border-left: 1px solid var(--border); }
.capability-item h2 { margin-bottom: 8px; font-size: 18px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 14px; }

.category-mosaic { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.category-card { min-height: 220px; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); display: flex; flex-direction: column; justify-content: space-between; }
.category-card.featured { grid-column: span 2; background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: rgba(255,255,255,.88); }
.category-card.featured h3, .category-card.featured .text-link { color: var(--white); }
.category-card.wide { grid-column: span 2; min-height: 190px; }
.category-card:nth-child(4n+2) { background: var(--brand-soft); }
.category-card:nth-child(5n+3) { border-style: dashed; }
.category-card h3 { font-size: 23px; }
.category-card p { margin-bottom: 22px; }

.split-feature { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.split-feature.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); }
.split-feature.reverse .media-panel { order: 2; }
.media-panel { min-height: 430px; padding: 26px; border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(234,243,255,.9)); border: 1px solid var(--border); display: grid; place-items: center; overflow: hidden; }
.media-panel img { max-height: 430px; object-fit: contain; }
.content-panel { padding: 10px 0; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 24px 0 0; }
.check-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.check-list li { position: relative; padding: 13px 14px 13px 42px; border: 1px solid var(--border); border-radius: 14px; background: var(--white); }
.check-list li::before { content: "✓"; position: absolute; left: 14px; top: 12px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--brand); font-size: 12px; font-weight: 900; }
.plain-list { display: grid; gap: 10px; }
.plain-list li { padding-left: 20px; position: relative; }
.plain-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }

.offset-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 22px; align-items: start; }
.topic-panel { padding: 34px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--white); box-shadow: var(--shadow-soft); }
.topic-panel.offset { margin-top: 52px; background: var(--brand-soft); }
.topic-panel h3 { font-size: 30px; }

.dual-feature { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.feature-block { min-height: 420px; padding: 38px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--white); box-shadow: var(--shadow-soft); }
.feature-block.compact { margin-top: 70px; min-height: 350px; background: linear-gradient(145deg, #F8FBFF, var(--brand-soft)); }
.feature-block.with-image { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 26px; align-items: center; }
.feature-block.with-image img { max-height: 330px; object-fit: contain; }

.security-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: center; }
.security-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.security-list article { padding: 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.07); }
.security-list h3 { font-size: 17px; margin-bottom: 6px; }
.security-list p { margin: 0; font-size: 13px; color: rgba(255,255,255,.72); }
.notice-box { margin-top: 24px; padding: 20px 22px; border: 1px solid rgba(255,255,255,.24); border-radius: 16px; background: rgba(255,255,255,.10); }

.swap-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 38px; align-items: center; }
.swap-intro { padding: 30px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--border); }
.swap-intro img { max-height: 320px; margin: 0 auto 24px; object-fit: contain; }
.audit-list { counter-reset: audit; display: grid; gap: 12px; }
.audit-item { counter-increment: audit; padding: 18px 20px 18px 62px; position: relative; border-bottom: 1px solid var(--border); }
.audit-item::before { content: counter(audit, decimal-leading-zero); position: absolute; left: 0; top: 14px; color: var(--brand); font-size: 24px; font-weight: 900; }
.audit-item h3 { margin-bottom: 4px; font-size: 18px; }
.audit-item p { margin: 0; color: var(--muted); }

.flow-grid { display: grid; grid-template-columns: repeat(6, minmax(150px, 1fr)); gap: 14px; overflow-x: auto; padding-bottom: 10px; scrollbar-width: thin; }
.flow-step { min-width: 160px; padding: 24px 18px; border-top: 3px solid var(--brand); border-radius: 0 0 var(--radius) var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }
.flow-number { width: 38px; height: 38px; margin-bottom: 18px; display: grid; place-items: center; border-radius: 12px; color: var(--white); background: var(--brand); font-weight: 900; }
.flow-step h3 { font-size: 17px; }
.flow-step p { color: var(--muted); font-size: 13px; }
.flow-step a { font-size: 13px; font-weight: 800; }

.ecosystem-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.eco-panel { padding: 36px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--border); }
.eco-panel.blue { background: linear-gradient(135deg, var(--brand), var(--brand-deep)); color: rgba(255,255,255,.82); }
.eco-panel.blue h3, .eco-panel.blue a { color: var(--white); }
.eco-panel.blue .plain-list li::before { background: #AFCFFF; }

.timeline { position: relative; display: grid; gap: 14px; }
.timeline::before { content: ""; position: absolute; left: 17px; top: 16px; bottom: 16px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding: 20px 22px 20px 62px; border: 1px solid var(--border); border-radius: 16px; background: var(--white); }
.timeline-item::before { content: ""; position: absolute; left: 10px; top: 25px; width: 16px; height: 16px; border: 4px solid var(--white); border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 1px var(--border); }
.timeline-item small { color: var(--brand-deep); font-weight: 800; }
.timeline-item h3 { margin: 4px 0 6px; font-size: 19px; }
.timeline-item p { margin: 0; color: var(--muted); }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review { padding: 26px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--white); }
.review:nth-child(even) { transform: translateY(18px); background: var(--ice); }
.review-mark { color: var(--brand); font-size: 34px; line-height: 1; }
.review p { margin: 10px 0 0; }

.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 16px; background: var(--white); overflow: hidden; }
.faq-question { width: 100%; min-height: 64px; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 0; background: transparent; color: var(--ink); font-weight: 800; text-align: left; }
.faq-question::after { content: "+"; flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; color: var(--brand); background: var(--brand-soft); font-size: 20px; }
.faq-item.is-open .faq-question::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: var(--text); }
.faq-answer p:last-child { margin-bottom: 0; }

.download-cta { padding: 54px; border-radius: var(--radius-lg); text-align: center; background: radial-gradient(circle at 75% 10%, rgba(255,255,255,.22), transparent 25%), linear-gradient(135deg, var(--brand), var(--brand-deep)); color: rgba(255,255,255,.84); }
.download-cta h2 { color: var(--white); }
.download-cta .button { margin-top: 12px; background: var(--white); color: var(--brand-deep); box-shadow: none; }

.page-hero { position: relative; padding: 84px 0 70px; overflow: hidden; background: radial-gradient(circle at 80% 20%, rgba(41,128,254,.16), transparent 30%), linear-gradient(180deg, #FBFDFF, #F2F7FE); }
.page-hero::after { content: ""; position: absolute; width: 340px; height: 340px; right: -170px; bottom: -230px; border: 1px solid rgba(41,128,254,.20); border-radius: 50%; box-shadow: 0 0 0 48px rgba(41,128,254,.04), 0 0 0 96px rgba(41,128,254,.03); }
.page-hero-inner { position: relative; z-index: 1; max-width: 890px; }
.page-hero h1 { font-size: clamp(40px, 5vw, 64px); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--brand-deep); font-weight: 800; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 34px; align-items: start; }
.article-stack { display: grid; gap: 24px; }
.content-card { padding: 32px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }
.content-card.soft { background: var(--ice); box-shadow: none; }
.content-card.blue { color: rgba(255,255,255,.86); background: linear-gradient(135deg, var(--brand), var(--brand-deep)); border: 0; }
.content-card.blue h2, .content-card.blue h3, .content-card.blue a { color: var(--white); }
.side-nav { position: sticky; top: 104px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--ice); }
.side-nav h2 { margin-bottom: 12px; font-size: 18px; }
.side-nav a { min-height: 42px; display: flex; align-items: center; padding: 8px 10px; border-radius: 10px; color: var(--text); font-weight: 700; }
.side-nav a:hover { color: var(--brand-deep); background: var(--white); }

.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-card { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); }
.info-card h3 { font-size: 20px; }
.info-card p { color: var(--muted); }
.number-list { counter-reset: steps; display: grid; gap: 16px; }
.number-list article { counter-increment: steps; position: relative; padding: 24px 24px 24px 78px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); }
.number-list article::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 22px; top: 22px; color: var(--brand); font-size: 24px; font-weight: 900; }
.comparison { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 16px; background: var(--white); }
.comparison th, .comparison td { padding: 16px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.comparison th { color: var(--ink); background: var(--brand-soft); }
.comparison tr:last-child td { border-bottom: 0; }
.alert { padding: 20px 22px; border-left: 4px solid var(--brand); border-radius: 0 14px 14px 0; background: var(--brand-soft); }
.alert strong { color: var(--ink); }
.page-image { max-height: 460px; margin: 0 auto; object-fit: contain; }

.site-footer { color: rgba(255,255,255,.72); background: var(--footer); }
.footer-main { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 64px 0 44px; display: grid; grid-template-columns: 1.5fr repeat(3, minmax(150px, .65fr)); gap: 40px; }
.brand-footer img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 420px; margin-top: 20px; }
.footer-column h2 { margin-bottom: 14px; color: var(--white); font-size: 16px; }
.footer-column a { min-height: 38px; display: flex; align-items: center; color: rgba(255,255,255,.72); }
.footer-column a:hover { color: var(--white); }
.footer-bottom { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 22px 0 28px; border-top: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom a { color: rgba(255,255,255,.72); }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .header-inner { grid-template-columns: auto 1fr auto; }
    .header-actions { grid-column: 3; }
    .hero-grid { grid-template-columns: 1fr .8fr; }
    .category-mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .category-card.featured, .category-card.wide { grid-column: span 1; }
    .flow-grid { grid-template-columns: repeat(6, 190px); }
}

@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .hero { padding-top: 48px; }
    .hero-grid, .split-feature, .split-feature.reverse, .security-grid, .swap-layout, .content-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 470px; }
    .split-feature.reverse .media-panel { order: 0; }
    .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .capability-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .capability-item:nth-child(4) { border-top: 1px solid var(--border); }
    .offset-grid, .dual-feature, .ecosystem-grid { grid-template-columns: 1fr; }
    .topic-panel.offset, .feature-block.compact { margin-top: 0; }
    .feature-block.with-image { grid-template-columns: 1fr; }
    .review-grid, .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .side-nav { position: static; }
    .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
    .header-inner, .container, .footer-main, .footer-bottom { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 68px; gap: 10px; }
    .brand { min-width: 0; }
    .brand img { width: 132px; max-height: 38px; }
    .header-actions { gap: 7px; }
    .button-compact { min-height: 40px; padding: 9px 12px; font-size: 13px; }
    .menu-toggle { width: 42px; height: 42px; }
    .section { padding: 58px 0; }
    .section-sm { padding: 48px 0; }
    .hero { padding: 30px 0 42px; }
    .hero-grid { gap: 22px; }
    .hero-copy { padding: 10px 0; }
    h1 { font-size: 39px; }
    h2 { font-size: 30px; }
    .lead { font-size: 17px; }
    .button-row { display: grid; grid-template-columns: 1fr; }
    .button-row .button { width: 100%; }
    .hero-visual { min-height: 410px; }
    .hero-product { max-height: 370px; }
    .float-note { min-width: 145px; padding: 10px 12px; }
    .float-note.one { top: 2%; left: 0; }
    .float-note.two { right: 0; top: 43%; }
    .float-note.three { left: 0; bottom: 0; }
    .capability-strip { margin-top: 0; padding-top: 14px; background: var(--ice); }
    .capability-grid { grid-template-columns: 1fr; }
    .capability-item + .capability-item { border-left: 0; border-top: 1px solid var(--border); }
    .category-mosaic, .review-grid, .info-grid { grid-template-columns: 1fr; }
    .category-card, .category-card.wide { min-height: auto; }
    .media-panel { min-height: 320px; padding: 18px; }
    .check-list, .security-list { grid-template-columns: 1fr; }
    .topic-panel, .feature-block, .eco-panel, .content-card { padding: 24px; }
    .feature-block { min-height: auto; }
    .download-cta { padding: 38px 22px; }
    .page-hero { padding: 58px 0 50px; }
    .page-hero h1 { font-size: 40px; }
    .comparison { display: block; overflow-x: auto; }
    .number-list article { padding-left: 66px; }
    .number-list article::before { left: 17px; }
    .review:nth-child(even) { transform: none; }
    .footer-main { grid-template-columns: 1fr; padding-top: 48px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}