: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;
  --success: #167C5B;
  --warning: #A96500;
  --shadow: 0 18px 50px rgba(35, 74, 120, .10);
  --shadow-soft: 0 10px 28px rgba(35, 74, 120, .07);
  --radius: 22px;
  --radius-lg: 30px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
main { min-height: 58vh; }
section { position: relative; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 9999;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--brand-dark);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-sm { padding: 62px 0; }
.section-blue { background: var(--blue-gray); }
.section-soft { background: linear-gradient(180deg, #fff 0%, var(--blue-gray) 100%); }
.section-dark { color: #fff; background: linear-gradient(135deg, #10233F 0%, #174F92 100%); }
.section-dark p, .section-dark .muted { color: #D6E5F8; }
.section-dark .section-kicker { color: #A9CCFF; }

.eyebrow, .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--brand-dark);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow::before, .section-kicker::before {
  width: 22px;
  height: 2px;
  content: "";
  border-radius: 10px;
  background: currentColor;
}
.section-title {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 3.2vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -.035em;
}
.section-lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--text);
  font-size: 1.05rem;
}
.section-head { margin-bottom: 42px; }
.section-head.center { text-align: center; }
.section-head.center .section-title, .section-head.center .section-lead { margin-inline: auto; }
.muted { color: var(--muted); }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid rgba(41, 128, 254, .28); outline-offset: 3px; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); box-shadow: 0 12px 24px rgba(41,128,254,.22); }
.button-secondary { color: var(--brand-dark); border-color: #BFD6F4; background: #fff; }
.button-light { color: var(--footer); background: #fff; }
.button-small { min-height: 42px; padding: 10px 17px; border-radius: 12px; font-size: .92rem; white-space: nowrap; }
.button-block { width: 100%; }
.text-link { color: var(--brand-dark); font-weight: 800; }
.text-link::after { margin-left: 5px; content: "→"; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(220, 230, 242, .84);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
}
.header-inner { display: flex; min-height: 76px; align-items: center; gap: 24px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; }
.brand img { width: auto; max-height: 42px; object-fit: contain; }
.desktop-nav { display: flex; min-width: 0; flex: 1 1 auto; align-items: center; justify-content: center; gap: 4px; }
.nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 9px 11px;
  border-radius: 10px;
  color: #32425B;
  font-size: .93rem;
  font-weight: 750;
  white-space: nowrap;
}
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active, .nav-group.is-active > .nav-link { color: var(--brand-dark); background: var(--brand-soft); }
.nav-group { position: static; }
.nav-group > .nav-link::after { margin-left: 5px; color: var(--muted); font-size: .72rem; content: "▾"; }
.mega-menu {
  position: absolute;
  top: calc(100% - 8px);
  left: 50%;
  display: grid;
  width: min(850px, calc(100vw - 48px));
  grid-template-columns: .72fr 1.55fr;
  gap: 24px;
  padding: 26px;
  transform: translate(-50%, 12px);
  visibility: hidden;
  opacity: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { transform: translate(-50%, 0); visibility: visible; opacity: 1; }
.mega-intro { padding: 22px; border-radius: 18px; background: linear-gradient(145deg, var(--brand-soft), #fff); }
.mega-intro strong { display: block; margin: 3px 0 8px; color: var(--ink); font-size: 1.16rem; }
.mega-intro p { margin: 0; color: var(--muted); font-size: .91rem; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mega-links a { padding: 13px 14px; border-radius: 14px; }
.mega-links a:hover, .mega-links a:focus-visible { background: var(--blue-gray); }
.mega-links strong { display: block; color: var(--ink); font-size: .96rem; }
.mega-links span { display: block; margin-top: 3px; color: var(--muted); font-size: .82rem; }
.header-actions { display: flex; flex: 0 0 auto; align-items: center; gap: 9px; }
.menu-toggle {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}
.menu-toggle span { width: 19px; height: 2px; border-radius: 8px; background: var(--ink); }

.menu-backdrop { position: fixed; inset: 0; z-index: 1090; opacity: 0; background: rgba(8,25,48,.48); transition: opacity .22s ease; }
.menu-backdrop.is-visible { opacity: 1; }
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1100;
  display: flex;
  width: min(430px, 92vw);
  height: 100dvh;
  flex-direction: column;
  transform: translateX(104%);
  background: #fff;
  box-shadow: -20px 0 55px rgba(8,25,48,.16);
  transition: transform .24s ease;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-head { display: flex; min-height: 76px; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.menu-close { width: 44px; height: 44px; border: 0; border-radius: 12px; color: var(--ink); background: var(--blue-gray); font-size: 1.8rem; cursor: pointer; }
.mobile-menu-body { flex: 1 1 auto; overflow-y: auto; padding: 18px 20px; }
.mobile-home-link, .mobile-menu summary { display: flex; min-height: 52px; align-items: center; justify-content: space-between; padding: 12px 14px; border-radius: 12px; color: var(--ink); font-weight: 800; cursor: pointer; }
.mobile-menu summary::marker { content: ""; }
.mobile-menu summary::after { content: "+"; color: var(--brand); font-size: 1.3rem; }
.mobile-menu details[open] summary::after { content: "−"; }
.mobile-menu details > div { display: grid; gap: 4px; padding: 2px 8px 12px 18px; }
.mobile-menu details a { min-height: 44px; padding: 9px 12px; border-radius: 10px; color: var(--text); }
.mobile-menu details a:hover { color: var(--brand-dark); background: var(--brand-soft); }
.mobile-menu-foot { padding: 18px 20px calc(18px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }

.hero { overflow: hidden; padding: 76px 0 86px; background: radial-gradient(circle at 88% 15%, rgba(41,128,254,.18), transparent 30%), linear-gradient(180deg, #fff, #F4F8FE); }
.hero::before { position: absolute; top: 80px; left: -120px; width: 280px; height: 280px; content: ""; border-radius: 50%; background: rgba(41,128,254,.06); filter: blur(4px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr); align-items: center; gap: 62px; }
.hero h1 { max-width: 720px; margin: 0; color: var(--ink); font-size: clamp(2.85rem, 5.7vw, 5.5rem); line-height: .99; letter-spacing: -.055em; }
.hero .hero-subtitle { max-width: 720px; margin: 23px 0 0; color: #33445E; font-size: clamp(1.08rem, 1.7vw, 1.35rem); font-weight: 650; }
.hero-copy { max-width: 700px; margin: 17px 0 0; color: var(--text); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag { display: inline-flex; min-height: 36px; align-items: center; padding: 7px 12px; border: 1px solid #CDE0F8; border-radius: 999px; color: var(--brand-dark); background: rgba(255,255,255,.76); font-size: .88rem; font-weight: 800; }
.hero-visual { position: relative; min-height: 520px; }
.hero-device { position: absolute; inset: 24px 30px 0 40px; display: flex; align-items: center; justify-content: center; padding: 30px; border: 1px solid rgba(255,255,255,.85); border-radius: 42px; background: linear-gradient(145deg, rgba(255,255,255,.86), rgba(226,239,255,.9)); box-shadow: var(--shadow); }
.hero-device img { max-height: 460px; object-fit: contain; }
.float-note { position: absolute; z-index: 2; max-width: 190px; padding: 12px 14px; border: 1px solid rgba(207,224,245,.9); border-radius: 15px; color: var(--ink); background: rgba(255,255,255,.9); box-shadow: var(--shadow-soft); font-size: .86rem; font-weight: 800; backdrop-filter: blur(12px); }
.float-note::before { display: inline-block; width: 8px; height: 8px; margin-right: 7px; content: ""; border-radius: 50%; background: var(--brand); }
.float-one { top: 30px; right: 0; }
.float-two { bottom: 92px; left: 0; }
.float-three { right: 14px; bottom: 18px; }

.capability-strip { margin-top: -32px; position: relative; z-index: 5; }
.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-soft); }
.capability-item { padding: 24px; }
.capability-item + .capability-item { border-left: 1px solid var(--line); }
.capability-item strong { display: block; margin-bottom: 6px; color: var(--ink); }
.capability-item p { margin: 0; color: var(--muted); font-size: .91rem; }

.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.category-card { position: relative; min-height: 220px; overflow: hidden; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-soft); }
.category-card::after { position: absolute; right: -32px; bottom: -45px; width: 130px; height: 130px; content: ""; border-radius: 50%; background: var(--brand-soft); }
.category-card.wide { grid-column: span 2; }
.category-card.accent { color: #fff; border-color: transparent; background: linear-gradient(135deg, #2980FE, #1767D6); }
.category-card.accent p, .category-card.accent .text-link { color: #E8F2FF; }
.category-card.accent::after { background: rgba(255,255,255,.12); }
.category-card .number { color: var(--brand); font-size: .86rem; font-weight: 900; }
.category-card.accent .number { color: #DCEBFF; }
.category-card h3 { position: relative; z-index: 1; margin: 18px 0 8px; color: var(--ink); font-size: 1.28rem; }
.category-card.accent h3 { color: #fff; }
.category-card p { position: relative; z-index: 1; margin: 0 0 16px; color: var(--muted); font-size: .94rem; }
.category-card a { position: relative; z-index: 1; }

.feature-stage { display: grid; grid-template-columns: .92fr 1.08fr; gap: 52px; align-items: center; padding: 44px; border-radius: var(--radius-lg); background: linear-gradient(135deg, #EAF3FF, #F9FCFF); }
.media-panel { display: flex; min-height: 480px; align-items: center; justify-content: center; padding: 32px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; background: #fff; box-shadow: var(--shadow-soft); }
.media-panel img { max-height: 430px; object-fit: contain; }
.content-panel h2 { margin: 0; color: var(--ink); font-size: clamp(2rem, 3.2vw, 3.3rem); line-height: 1.16; }
.content-panel p { margin: 16px 0 0; }
.check-list { display: grid; gap: 10px; margin: 25px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { position: absolute; top: .25em; left: 0; display: grid; width: 20px; height: 20px; place-items: center; content: "✓"; border-radius: 50%; color: #fff; background: var(--brand); font-size: .72rem; font-weight: 900; }

.split-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.topic-panel { min-height: 100%; padding: 34px; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: var(--shadow-soft); }
.topic-panel.offset { margin-top: 44px; }
.topic-panel h3 { margin: 0; color: var(--ink); font-size: 1.75rem; }
.topic-panel p { margin: 14px 0 0; }
.topic-panel ul { margin: 22px 0 0; padding-left: 20px; }
.topic-panel li + li { margin-top: 8px; }
.topic-panel.blue { border-color: transparent; background: linear-gradient(145deg, #EAF3FF, #fff); }
.topic-panel.dark { color: #fff; border-color: transparent; background: linear-gradient(135deg, #10233F, #1B5BA5); }
.topic-panel.dark h3 { color: #fff; }
.topic-panel.dark p, .topic-panel.dark li { color: #D8E6F8; }

.media-split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.media-split.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.media-frame { min-height: 430px; display: flex; align-items: center; justify-content: center; padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg, #fff, var(--blue-gray)); box-shadow: var(--shadow-soft); }
.media-frame img { max-height: 390px; object-fit: contain; }

.security-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 42px; align-items: center; }
.security-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-top: 24px; }
.security-list div { padding: 15px 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(255,255,255,.08); }
.security-notice { padding: 24px; border: 1px solid rgba(255,255,255,.2); border-radius: 20px; background: rgba(255,255,255,.1); }
.security-notice strong { display: block; margin-bottom: 10px; font-size: 1.25rem; }

.swap-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 32px; align-items: stretch; }
.swap-intro { padding: 34px; border-radius: 28px; background: linear-gradient(145deg, #EAF3FF, #fff); }
.swap-intro img { max-height: 300px; margin: 0 auto 20px; object-fit: contain; }
.preflight { padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: var(--shadow-soft); }
.preflight-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin-top: 24px; }
.preflight-grid div { display: flex; min-height: 56px; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 13px; background: var(--blue-gray); }
.preflight-grid span { display: grid; width: 27px; height: 27px; flex: 0 0 auto; place-items: center; border-radius: 50%; color: #fff; background: var(--brand); font-size: .78rem; font-weight: 900; }

.process { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; }
.process-step { position: relative; padding: 0 16px; text-align: center; }
.process-step::after { position: absolute; top: 24px; left: calc(50% + 28px); width: calc(100% - 56px); height: 2px; content: ""; background: #CFE0F4; }
.process-step:last-child::after { display: none; }
.step-number { position: relative; z-index: 1; display: grid; width: 48px; height: 48px; margin: 0 auto 18px; place-items: center; border: 7px solid #fff; border-radius: 50%; color: #fff; background: var(--brand); box-shadow: 0 0 0 1px #CFE0F4; font-weight: 900; }
.process-step h3 { margin: 0; color: var(--ink); font-size: 1rem; }
.process-step p { margin: 9px 0 0; color: var(--muted); font-size: .86rem; }
.process-step a { display: inline-block; margin-top: 9px; color: var(--brand-dark); font-size: .84rem; font-weight: 800; }

.timeline { position: relative; display: grid; gap: 12px; }
.timeline::before { position: absolute; top: 14px; bottom: 14px; left: 16px; width: 2px; content: ""; background: #CFE0F4; }
.timeline-item { position: relative; display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 16px; align-items: start; padding: 18px 20px 18px 0; border-bottom: 1px solid var(--line); }
.timeline-dot { position: relative; z-index: 1; width: 12px; height: 12px; margin: 8px auto 0; border: 3px solid #fff; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 2px #BBD4F2; }
.timeline-item h3 { margin: 0; color: var(--ink); font-size: 1.05rem; }
.timeline-item p { margin: 4px 0 0; color: var(--muted); font-size: .92rem; }
.timeline-time { color: var(--brand-dark); font-size: .82rem; font-weight: 800; white-space: nowrap; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.review { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-soft); }
.review:nth-child(2), .review:nth-child(5) { transform: translateY(22px); }
.review .stars { color: #E79A16; letter-spacing: .12em; }
.review p { margin: 14px 0 0; }
.review strong { display: block; margin-top: 16px; color: var(--ink); font-size: .9rem; }

.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.faq-question { display: flex; width: 100%; min-height: 62px; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 20px; border: 0; color: var(--ink); background: transparent; text-align: left; font-weight: 850; cursor: pointer; }
.faq-question::after { flex: 0 0 auto; color: var(--brand); font-size: 1.3rem; content: "+"; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: var(--text); }
.faq-answer p { margin: 0; }

.cta-panel { padding: 58px; overflow: hidden; border-radius: 30px; color: #fff; background: radial-gradient(circle at 90% 10%, rgba(255,255,255,.16), transparent 32%), linear-gradient(135deg, #2980FE, #155DBF); text-align: center; box-shadow: var(--shadow); }
.cta-panel h2 { max-width: 760px; margin: 0 auto; font-size: clamp(2rem, 3.4vw, 3.6rem); line-height: 1.14; }
.cta-panel p { max-width: 720px; margin: 16px auto 0; color: #E4F0FF; }
.cta-panel .actions { justify-content: center; }

.subhero { padding: 70px 0 66px; overflow: hidden; background: radial-gradient(circle at 82% 10%, rgba(41,128,254,.15), transparent 28%), linear-gradient(180deg, #fff, #F5F9FF); }
.subhero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); gap: 42px; align-items: center; }
.subhero h1 { margin: 0; color: var(--ink); font-size: clamp(2.5rem, 5vw, 4.7rem); line-height: 1.03; letter-spacing: -.05em; }
.subhero p { max-width: 720px; margin: 20px 0 0; font-size: 1.08rem; }
.subhero-visual { display: flex; min-height: 340px; align-items: center; justify-content: center; padding: 28px; border: 1px solid rgba(220,230,242,.9); border-radius: 30px; background: rgba(255,255,255,.75); box-shadow: var(--shadow-soft); }
.subhero-visual img { max-height: 310px; object-fit: contain; }
.subhero-symbol { display: grid; width: 210px; height: 210px; place-items: center; border: 1px solid #CFE0F4; border-radius: 44px; color: var(--brand); background: linear-gradient(145deg,#fff,#EAF3FF); box-shadow: var(--shadow-soft); font-size: 5.5rem; font-weight: 900; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { color: var(--brand-dark); font-weight: 750; }

.stat-band { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.stat-item { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.stat-item strong { display: block; color: var(--ink); font-size: 1.14rem; }
.stat-item span { display: block; margin-top: 5px; color: var(--muted); font-size: .91rem; }

.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.info-card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-soft); }
.info-card .icon { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 15px; color: var(--brand-dark); background: var(--brand-soft); font-size: 1.25rem; font-weight: 900; }
.info-card h2, .info-card h3 { margin: 18px 0 8px; color: var(--ink); font-size: 1.25rem; }
.info-card p { margin: 0; }
.info-card ul { margin: 14px 0 0; padding-left: 20px; }

.article-layout { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 34px; align-items: start; }
.side-nav { position: sticky; top: 98px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-soft); }
.side-nav strong { display: block; margin-bottom: 12px; color: var(--ink); }
.side-nav a { display: block; padding: 9px 10px; border-radius: 10px; color: var(--text); }
.side-nav a:hover { color: var(--brand-dark); background: var(--brand-soft); }
.prose { min-width: 0; }
.prose article { padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.prose article + article { margin-top: 18px; }
.prose h2 { margin: 0 0 14px; color: var(--ink); font-size: 1.7rem; }
.prose h3 { margin: 22px 0 8px; color: var(--ink); font-size: 1.15rem; }
.prose p { margin: 0; }
.prose p + p { margin-top: 14px; }
.prose ul, .prose ol { margin: 16px 0 0; padding-left: 22px; }
.prose li + li { margin-top: 7px; }
.note { margin-top: 20px; padding: 18px 20px; border-left: 4px solid var(--brand); border-radius: 0 14px 14px 0; background: var(--brand-soft); }
.note.warning { border-left-color: #E79A16; background: #FFF8E8; }
.note strong { color: var(--ink); }

.table-wrap { overflow-x: auto; margin-top: 22px; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; min-width: 680px; border-collapse: collapse; background: #fff; }
th, td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--ink); background: var(--blue-gray); font-size: .9rem; }
tr:last-child td { border-bottom: 0; }

.contact-options { 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; box-shadow: var(--shadow-soft); }
.contact-card h2 { margin: 0; color: var(--ink); font-size: 1.4rem; }
.contact-card p { margin: 10px 0 0; }

.site-footer { padding: 70px 0 26px; color: #D2DEED; background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, .8fr); gap: 42px; }
.footer-logo img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 500px; margin: 19px 0 22px; color: #AFC1D7; }
.site-footer h2 { margin: 0 0 16px; color: #fff; font-size: 1rem; }
.site-footer div > a:not(.brand):not(.button) { display: block; padding: 5px 0; color: #B9C9DC; font-size: .92rem; }
.site-footer div > a:not(.brand):not(.button):hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: #8EA5BF; font-size: .84rem; }

@media (min-width: 1081px) {
  .menu-toggle { display: none; }
}

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .header-inner { min-height: 70px; }
  .header-actions { margin-left: auto; }
  .hero-grid, .feature-stage, .media-split, .media-split.reverse, .security-grid, .swap-layout, .subhero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 470px; }
  .feature-stage { padding: 34px; }
  .capability-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .capability-item + .capability-item { border-left: 0; }
  .capability-item:nth-child(even) { border-left: 1px solid var(--line); }
  .capability-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .category-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .category-card.wide { grid-column: span 1; }
  .process { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px 0; }
  .process-step:nth-child(3)::after { display: none; }
  .review-grid, .info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .review:nth-child(2), .review:nth-child(5) { transform: none; }
  .article-layout { grid-template-columns: 1fr; }
  .side-nav { position: static; }
  .footer-grid { grid-template-columns: 1.35fr repeat(3,1fr); gap: 28px; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 68px 0; }
  .section-sm { padding: 50px 0; }
  .header-inner { gap: 10px; }
  .brand img { max-width: 136px; max-height: 38px; }
  .header-actions { gap: 7px; }
  .header-actions .button-small { min-height: 42px; padding-inline: 13px; font-size: .86rem; }
  .hero { padding: 52px 0 68px; }
  .hero h1 { font-size: clamp(2.65rem, 13vw, 4.2rem); }
  .hero-grid { gap: 34px; }
  .hero-visual { min-height: auto; padding-top: 12px; }
  .hero-device { position: relative; inset: auto; min-height: 360px; padding: 24px; border-radius: 30px; }
  .hero-device img { max-height: 330px; }
  .float-note { position: static; display: inline-flex; max-width: none; margin: 10px 6px 0 0; font-size: .78rem; }
  .capability-strip { margin-top: -18px; }
  .capability-grid, .category-grid, .split-grid, .review-grid, .info-grid, .stat-band, .contact-options { grid-template-columns: 1fr; }
  .capability-item:nth-child(even) { border-left: 0; }
  .capability-item + .capability-item { border-top: 1px solid var(--line); }
  .category-card { min-height: 200px; }
  .feature-stage { padding: 20px; border-radius: 24px; }
  .media-panel, .media-frame { min-height: 330px; padding: 22px; }
  .topic-panel.offset { margin-top: 0; }
  .security-list, .preflight-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; gap: 0; }
  .process-step { display: grid; grid-template-columns: 56px minmax(0,1fr); column-gap: 14px; padding: 0 0 28px; text-align: left; }
  .process-step::after { top: 50px; bottom: 0; left: 24px; display: block !important; width: 2px; height: auto; }
  .process-step:last-child::after { display: none !important; }
  .step-number { grid-row: 1 / span 3; margin: 0; }
  .process-step p, .process-step a { grid-column: 2; }
  .timeline-item { grid-template-columns: 30px 1fr; }
  .timeline-time { grid-column: 2; }
  .cta-panel { padding: 42px 22px; border-radius: 24px; }
  .subhero { padding: 52px 0; }
  .subhero-visual { min-height: 290px; }
  .subhero-symbol { width: 160px; height: 160px; border-radius: 34px; font-size: 4rem; }
  .prose article { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 460px) {
  .header-actions .button-small { padding-inline: 11px; }
  .menu-toggle { width: 42px; height: 42px; }
  .actions { flex-direction: column; }
  .actions .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
.category-rows { display: grid; gap: 18px; }
.category-row { display: grid; gap: 18px; }
.category-row-four { grid-template-columns: 2fr repeat(3, 1fr); }
.category-row-equal { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.category-row-wide { grid-template-columns: 1fr 2fr 2fr; }
.category-row .category-card { min-width: 0; }
@media (max-width: 1080px) {
  .category-row-four, .category-row-equal, .category-row-wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .category-row-four, .category-row-equal, .category-row-wide { grid-template-columns: 1fr; }
}