:root {
  --bg: #E5EAF6;
  --bg-panel: #F6F8FD;
  --bg-panel-2: #D9E0F0;
  --window: #FFFFFF;
  --border: #C9D2E8;
  --accent: #5E3BEB;
  --accent-dark: #3E1FBF;
  --cyan: #2BC8E0;
  --cyan-deep: #1690AB;
  --blue: #4E7FF0;
  --blue-hi: #A9C7FF;
  --text: #10142A;
  --text-muted: #535C78;
  --success: #16A06A;
  --warn: #C9800E;
  --error: #D23B4B;
  --hero-top: #EEF2FB;
  --hero-bottom: #DEE5F3;
  --grid-ink: rgba(16,20,42,.04);
  --shadow-tint: rgba(94,59,235,.10);
  --floor-tint: rgba(94,59,235,.12);
  --shadow-ink: rgba(16,20,42,.28);
  --hi-edge: rgba(255,255,255,.92);
  --hi-soft: rgba(255,255,255,.5);
  --hi-line: rgba(255,255,255,.75);
  --glass-a: rgba(255,255,255,.62);
  --glass-b: rgba(214,226,248,.26);
  --glass-c: rgba(43,200,224,.20);
  --glass-shade: rgba(94,59,235,.18);
  --term-bg: #12172F;
  --term-bar: #1B2142;
  --term-text: #C9D2E8;
  --term-dim: #7C86A8;
  --term-key: #7FE0EE;
  --pastel-blue: #CFE0F7;
  --pastel-pink: #F6DDF0;
  --pastel-peach: #F8E0D2;
  --flag-red: #D52B3C;
  --flag-blue: #284A9C;
  --flag-white: #FFFFFF;
  --clear: transparent;
  --r-s: 6px;
  --r-m: 8px;
  --r-l: 10px;
  --r-round: 50%;
  --font-display: 'Inter','Noto Sans SC','Noto Sans JP','Noto Sans KR','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-body: 'Inter','Noto Sans SC','Noto Sans JP','Noto Sans KR','PingFang SC','Hiragino Sans','Microsoft YaHei',system-ui,sans-serif;
  --font-mono: 'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --lift: 0 24px 48px var(--shadow-tint);
  --edge: inset 0 0 0 1px var(--hi-line);
  --gutter: 16px;
  --content-width: 1232px;
  --anchor-offset: 96px;
  --toc-offset: 16px;
  --toc-clearance: 104px;
  --ease: cubic-bezier(.2,.65,.3,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: var(--anchor-offset); scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
svg { flex-shrink: 0; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-underline-offset: .2em; }
button, a, summary, input, select, textarea, [tabindex] {
  -webkit-tap-highlight-color: var(--floor-tint);
}
:where(a, button, summary, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
button:disabled, .btn[aria-disabled="true"] { cursor: not-allowed; opacity: .55; }
h1, h2, h3, h4 { font-family: var(--font-display); text-wrap: balance; }
h1 {
  margin: 0;
  font-weight: 800;
  font-size: clamp(52px,4.6vw,66px);
  line-height: 1.1;
  letter-spacing: -.03em;
}
:lang(zh) h1, :lang(ja) h1, :lang(ko) h1 { letter-spacing: -.02em; }
h2 { font-size: 36px; line-height: 1.2; letter-spacing: -.02em; }
h3 { font-size: 24px; line-height: 1.35; letter-spacing: -.01em; }
p { margin: 0 0 20px; }
.no-break { white-space: nowrap; }
.wrap { max-width: var(--content-width); padding-inline: var(--gutter); margin-inline: auto; }
.section { padding-top: 72px; padding-bottom: 72px; }
:where(.hero-grid, .card-grid, .footer-grid, .feature-layout, .platform-grid, .mcards) > * { min-width: 0; }
code { font-family: var(--font-mono); overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 20px;
  background: var(--term-bg);
  color: var(--term-text);
  border-radius: var(--r-m);
  font-size: 13px;
}
pre code { overflow-wrap: normal; white-space: pre; }
.prose { max-width: 840px; }
.prose h2 { margin-top: 48px; }
.prose h3 { margin-top: 32px; }
.prose li { margin-bottom: 8px; }
.prose :where(p, li) { overflow-wrap: anywhere; }
.panel, .card {
  background: var(--bg-panel);
  border-radius: var(--r-m);
  box-shadow: var(--lift), var(--edge);
  padding: 28px;
  min-width: 0;
}
.card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.reveal { transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.pending { opacity: 0; transform: translateY(16px); }
.reveal.shown { opacity: 1; transform: none; }
#server-status {
  position: static;
  display: block;
  min-height: 120px;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  margin-top: 24px;
  margin-bottom: 32px;
}
#server-status + * { margin-top: 32px; }
.decorated-section { position: relative; overflow-x: clip; max-width: 100%; }

/* Shared header: the white window is intentionally not sticky. */
.topbar { padding: 16px 24px 0; position: relative; z-index: 20; }
.topbar-in {
  max-width: 1264px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 12px 0 20px;
  background: var(--window);
  border-radius: var(--r-l);
  box-shadow: var(--lift), var(--edge);
  position: relative;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); flex: none; }
.brand-mark { width: 32px; height: 32px; display: block; flex-shrink: 0; }
.brand-word { font-family: var(--font-display); font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand-local { font-weight: 500; color: var(--text-muted); }
.mainnav { margin: 0 auto; }
.mainnav ul { display: flex; align-items: center; gap: 36px; list-style: none; margin: 0; padding: 0; }
.mainnav a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
}
.mainnav a:hover { color: var(--text); }
.mainnav a[aria-current="page"] { color: var(--text); font-weight: 700; }
.topbar-act { display: flex; align-items: center; gap: 8px; flex: none; }
.language-control { position: relative; }
.lang {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--clear);
  border: 0;
  padding: 8px 12px;
  min-height: 40px;
  border-radius: var(--r-s);
  white-space: nowrap;
}
.lang:hover { background: var(--bg-panel-2); color: var(--text); }
.language-list {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 180px;
  padding: 8px;
  margin: 0;
  list-style: none;
  background: var(--window);
  box-shadow: var(--lift), var(--edge);
  border-radius: var(--r-m);
  z-index: 24;
}
.language-list a { display: flex; align-items: center; min-height: 44px; padding: 8px 12px; text-decoration: none; border-radius: var(--r-s); }
.language-list a:hover, .language-list a[aria-current="true"] { background: var(--bg-panel-2); }
.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  background: var(--text);
  color: var(--window);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--r-s);
  white-space: nowrap;
}
.btn-login:hover { background: var(--accent-dark); }
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border: 0;
  background: var(--bg-panel-2);
  color: var(--text);
  border-radius: var(--r-s);
}
.menu-toggle svg { width: 20px; height: 20px; }
.menu-ink { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.mobile-drawer {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 23;
  background: var(--window);
  padding: 12px;
  border-radius: var(--r-m);
  box-shadow: var(--lift);
  max-height: calc(100dvh - 104px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mobile-drawer ul { margin: 0; padding: 0; list-style: none; }
.mobile-drawer a {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text);
}
.mobile-drawer a:hover, .mobile-drawer a[aria-current] { background: var(--bg-panel-2); }
.drawer-languages { border-top: 1px solid var(--border); margin-top: 12px; padding-top: 12px; }
.nav-veil { position: fixed; inset: 0; z-index: 19; border: 0; background: var(--shadow-ink); }
html.nav-open { overflow: hidden; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 26px;
  border: 0;
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary { background: var(--text); color: var(--window); box-shadow: 0 14px 28px var(--shadow-tint); }
.btn-primary:hover, .btn-primary.is-hover { background: var(--accent-dark); }
.btn-ghost, .btn-secondary { background: var(--bg-panel-2); color: var(--text); box-shadow: var(--edge); }
.btn-ghost:hover, .btn-secondary:hover, .btn-ghost.is-hover { background: var(--border); }
.btn.is-focus { outline: 2px solid var(--accent); outline-offset: 3px; }
.arrow-ink { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Approved hero composition. */
.hero-shell {
  background-color: var(--hero-top);
  background-image:
    linear-gradient(var(--grid-ink) 1px,var(--clear) 1px),
    linear-gradient(90deg,var(--grid-ink) 1px,var(--clear) 1px),
    linear-gradient(180deg,var(--hero-top),var(--hero-bottom));
  background-size: 48px 48px,48px 48px,100% 100%;
  background-position: center top;
  overflow-x: clip;
  max-width: 100%;
}
.hero { padding: 56px 16px 28px; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 40px; align-items: center; }
.copy { position: relative; z-index: 2; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  padding: 6px 12px;
  background: var(--bg-panel-2);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  box-shadow: var(--edge);
  max-width: 100%;
}
.sq { display: inline-block; width: 8px; height: 8px; background: var(--accent); flex: none; }
.h1-key {
  display: inline-block;
  background: linear-gradient(90deg,var(--accent),var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: var(--clear);
  -webkit-text-fill-color: var(--clear);
}
.h1-sub { color: var(--text); }
.lede { margin: 28px 0 0; max-width: 520px; font-size: 17px; line-height: 1.7; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: 600; }
.spec {
  margin: 24px 0 0;
  max-width: 580px;
  display: grid;
  grid-template-columns: repeat(6,minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border-radius: var(--r-m);
  overflow: hidden;
  box-shadow: var(--lift);
}
.spec-cell { grid-column: span 2; display: flex; flex-direction: column; gap: 4px; padding: 12px 16px; background: var(--bg-panel); box-shadow: inset 0 1px 0 var(--hi-line); min-width: 0; }
.spec-cell.wide { grid-column: span 3; }
.spec dt { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-weight: 600; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); }
.spec dt::before { content: ""; width: 6px; height: 6px; background: var(--accent); flex: none; }
.spec dd { margin: 0; font-size: 14.5px; font-weight: 600; color: var(--text); line-height: 1.5; }

/* Three transfer gates; CSS breathing and flow are atmosphere, not entry. */
.device { position: relative; z-index: 1; min-width: 0; }
.stage { position: relative; width: 100%; aspect-ratio: 620/540; }
.layer { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; display: block; }
.layer-back { z-index: 1; }
.layer-front { z-index: 3; pointer-events: none; }
.st-violet { stop-color: var(--accent); }
.st-violetdark { stop-color: var(--accent-dark); }
.st-cyan { stop-color: var(--cyan); }
.st-cyandeep { stop-color: var(--cyan-deep); }
.st-blue { stop-color: var(--blue); }
.st-bluehi { stop-color: var(--blue-hi); }
.st-white { stop-color: var(--window); }
.so-0 { stop-opacity: 0; }
.so-55 { stop-opacity: .55; }
.floor { fill: var(--floor-tint); }
.bevel { fill: none; stroke: var(--hi-soft); stroke-width: 1.2; }
.spec-hl { fill: var(--hi-soft); }
.beam-glow { opacity: .42; }
.beam-hl { fill: var(--hi-line); }
.head { fill: var(--cyan); }
.head-facet { fill: var(--hi-soft); }
.hub-halo { fill: var(--hi-soft); }
.hub-core { fill: var(--window); stroke: var(--accent); stroke-width: 2.5; }
.pt { fill: var(--window); animation: flow 4s linear infinite; }
.pt2 { animation-delay: -1.333s; }
.pt3 { animation-delay: -2.666s; }
.hex-bevel { fill: none; stroke: var(--hi-soft); stroke-width: 1.5; stroke-linejoin: round; }
.hex-rim { fill: none; stroke: var(--hi-edge); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.anno-l { stroke: var(--text); stroke-width: 1; fill: none; }
.anno-sq { fill: var(--text); }
.anno-t { font-family: var(--font-mono); font-weight: 600; font-size: 11.5px; letter-spacing: .06em; fill: var(--text); }
.ring { position: absolute; z-index: 2; left: 32.258%; top: 20%; width: 32.258%; height: 62.963%; transform-origin: 50% 50%; animation: breathe 7s ease-in-out infinite; }
.ring-glass {
  position: absolute;
  inset: 0;
  border-radius: var(--r-round);
  background: linear-gradient(150deg,var(--glass-a),var(--glass-b) 55%,var(--glass-c));
  -webkit-backdrop-filter: blur(6px) saturate(1.25);
  backdrop-filter: blur(6px) saturate(1.25);
  box-shadow: inset 3px 4px 10px var(--hi-edge),inset -6px -8px 18px var(--glass-shade);
  -webkit-mask: radial-gradient(closest-side,var(--clear) 53.5%,var(--text) 55%);
  mask: radial-gradient(closest-side,var(--clear) 53.5%,var(--text) 55%);
}
.ring-ink { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; display: block; }
.ri-outer { fill: none; stroke: var(--hi-line); stroke-width: 1; }
.ri-inner { fill: none; stroke: var(--hi-edge); stroke-width: 1.4; }
.ri-hl { fill: none; stroke: var(--hi-edge); stroke-width: 2.6; stroke-linecap: round; }
.ri-hl2 { fill: none; stroke: var(--cyan); stroke-width: 1.6; stroke-linecap: round; opacity: .7; }
.ring-label text { font-family: var(--font-body); font-weight: 600; font-size: 11px; letter-spacing: .04em; fill: var(--text); }
.refund { position: absolute; z-index: 4; right: 0; top: 15.6%; padding: 16px 16px 12px; background: var(--bg-panel); border-radius: var(--r-m); box-shadow: var(--lift),var(--edge); }
.refund::before { content: ""; position: absolute; top: 0; left: 16px; width: 32px; height: 3px; background: var(--accent); }
.refund-k { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-weight: 600; font-size: 10.5px; letter-spacing: .12em; color: var(--text-muted); }
.refund-k svg { width: 14px; height: 14px; flex: none; color: var(--accent); }
.refund-ink { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.refund-v { display: block; margin-top: 6px; font-family: var(--font-display); font-weight: 800; font-size: 19px; letter-spacing: -.01em; white-space: nowrap; color: var(--text); }
.chip {
  position: absolute;
  z-index: 4;
  right: 0;
  top: 72.6%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--window);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--text);
  box-shadow: var(--lift),inset 0 0 0 1px var(--border);
  max-width: 100%;
}
.chip::before { content: ""; width: 7px; height: 7px; background: linear-gradient(135deg,var(--accent),var(--cyan)); flex: none; }
.term { position: absolute; z-index: 4; left: 0; top: 72.6%; width: 40%; background: var(--term-bg); border-radius: var(--r-m); overflow: hidden; box-shadow: 0 24px 48px var(--shadow-ink),0 0 0 1px var(--term-bar); }
.term-bar { display: flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; background: var(--term-bar); }
.dot { width: 9px; height: 9px; border-radius: var(--r-round); flex: none; }
.d-r { background: var(--error); }
.d-y { background: var(--warn); }
.d-g { background: var(--success); }
.term-file { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .06em; color: var(--term-dim); }
.term-body { padding: 12px 14px 14px; font-family: var(--font-mono); font-weight: 500; font-size: 12px; line-height: 1.65; color: var(--term-text); overflow-x: auto; }
.tl { display: block; white-space: nowrap; }
.tp, .tk { color: var(--term-key); }
.tv { color: var(--term-text); }

.band { margin-top: 48px; display: flex; align-items: center; gap: 28px; padding: 18px 24px; background: var(--bg-panel); border-radius: var(--r-m); box-shadow: var(--lift),var(--edge); }
.band-group { display: flex; align-items: center; gap: 20px; min-width: 0; }
.band-label { font-family: var(--font-mono); font-weight: 600; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--text); white-space: nowrap; }
.band-list { display: flex; align-items: center; gap: 20px; list-style: none; margin: 0; padding: 0; }
.band-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.plat svg { width: 18px; height: 18px; flex: none; display: block; }
.flags svg { width: 22px; height: 16px; flex: none; display: block; overflow: hidden; border-radius: var(--r-s); }
.flags { filter: grayscale(1); }
.flags:hover { filter: none; }
.band-sep { width: 1px; align-self: stretch; background: var(--border); flex: none; }
.fl-r { fill: var(--flag-red); }
.fl-b { fill: var(--flag-blue); }
.fl-w { fill: var(--flag-white); }
.fl-edge { fill: none; stroke: var(--border); stroke-width: 1; }

.metrics { padding: 72px 16px 96px; background-color: var(--bg); background-image: linear-gradient(var(--grid-ink) 1px,var(--clear) 1px),linear-gradient(90deg,var(--grid-ink) 1px,var(--clear) 1px); background-size: 48px 48px,48px 48px; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 40px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0; font-family: var(--font-mono); font-weight: 600; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); }
.sec-head h2 { margin: 12px 0 0; font-weight: 800; font-size: 36px; line-height: 1.2; letter-spacing: -.025em; }
.sec-head p.sec-note { margin: 0; max-width: 420px; color: var(--text-muted); line-height: 1.7; }
.mcards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.mcard { position: relative; padding: 32px 28px; border-radius: var(--r-m); box-shadow: var(--edge); }
.mcard::before { content: ""; position: absolute; top: 0; right: 28px; width: 40px; height: 4px; background: var(--accent); }
.mc-blue { background: var(--pastel-blue); }
.mc-pink { background: var(--pastel-pink); }
.mc-peach { background: var(--pastel-peach); }
.mtag { display: inline-flex; align-items: center; gap: 8px; padding: 5px 10px; border-radius: var(--r-s); box-shadow: inset 0 0 0 1px var(--border); background: var(--hi-soft); font-family: var(--font-mono); font-weight: 600; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text); }
.mnum { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; margin: 32px 0 12px; font-family: var(--font-display); font-weight: 300; font-size: 88px; line-height: 1; letter-spacing: -.04em; color: var(--text); }
.mnum small { font-size: 22px; font-weight: 500; letter-spacing: 0; }
.mdesc { margin: 0; color: var(--text-muted); font-size: 15px; }
[data-count-to] { display: inline-block; min-width: 3ch; font-variant-numeric: tabular-nums; }
[data-count-to="14"] { min-width: 2ch; }

.site-footer { background: var(--bg-panel-2); padding-top: 56px; padding-bottom: 24px; box-shadow: inset 0 1px 0 var(--hi-line); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand p { color: var(--text-muted); margin-top: 20px; max-width: 320px; }
.footer-title { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 16px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links a { display: inline-flex; align-items: center; min-height: 32px; padding-block: 4px; text-decoration: none; font-size: 14px; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent-dark); }
.footer-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; border-top: 1px solid var(--border); padding-top: 20px; margin-top: 40px; color: var(--text-muted); font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { min-height: 24px; display: inline-flex; align-items: center; }

@keyframes flow {
  0% { transform: translateX(0); opacity: 0; }
  12%, 85% { opacity: 1; }
  100% { transform: translateX(400px); opacity: 0; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(.98); }
}
@media (max-width: 1180px) {
  h1 { font-size: 56px; }
  .mainnav ul { gap: 22px; }
  .topbar-in { gap: 16px; }
  .band { flex-wrap: wrap; row-gap: 14px; }
  .band-sep { display: none; }
}
@media (max-width: 1000px) {
  .mainnav { display: none; }
  .menu-toggle { display: inline-flex; }
  .topbar-act { margin-left: auto; }
}
@media (max-width: 768px) {
  .topbar { padding: 12px 12px 0; }
  .topbar-in { justify-content: space-between; padding: 0 8px 0 14px; gap: 8px; }
  .hero { padding: 40px 4px 24px; }
  .hero-grid { grid-template-columns: minmax(0,1fr); gap: 32px; }
  h1 { font-size: 40px; }
  .lede { font-size: 16px; }
  .anno, .ring-label, .tip-lead { display: none; }
  .term { position: static; width: auto; margin-top: 16px; }
  .tl-3, .tl-4 { display: none; }
  .refund { top: 1%; padding: 12px 12px 10px; }
  .refund-v { font-size: 16px; }
  .band { flex-direction: column; align-items: stretch; gap: 14px; padding: 16px; }
  .band-group { overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
  .band-group::-webkit-scrollbar { display: none; }
  .metrics { padding: 56px 4px 72px; }
  .section { padding-top: 56px; padding-bottom: 56px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sec-head h2, h2 { font-size: 28px; }
  .mcards, .card-grid { grid-template-columns: minmax(0,1fr); }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .no-break { white-space: normal; }
  .spec { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .spec-cell, .spec-cell.wide { grid-column: span 1; }
  .spec-cell:last-child { grid-column: span 2; }
  .lang { padding: 8px; }
  .lang-full { display: none; }
  .mnum { font-size: 64px; }
  .tilt { transform: none; }
  .decorated-section, .device { max-width: 100%; }
  .brand-word { font-size: 18px; }
  .btn-login { padding-inline: 14px; }
  .footer-grid { grid-template-columns: minmax(0,1fr); }
  .panel, .card { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.pending { opacity: 1; transform: none; transition: none; }
  .ring, .pt { animation: none; }
  .pt2 { transform: translateX(130px); }
  .pt3 { transform: translateX(260px); }
  .btn { transition: none; }
}