:root {
  --navy: #071525;
  --deep: #0B2340;
  --brand: #1687F8;
  --bright: #36A7FF;
  --ice: #BDE7FF;
  --pale: #F3F9FF;
  --page: #FFFFFF;
  --ink: #101C2C;
  --muted: #4A5D73;
  --line: #D6E6F6;
  --display: "Sora", ui-sans-serif, sans-serif;
  --body: "IBM Plex Sans", ui-sans-serif, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--page);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, .type-display { font-family: var(--display); letter-spacing: -0.03em; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

.top-nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 60;
  width: 100%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease, color 220ms ease;
}
.top-nav-wrapper.on-dark:not(.is-solid) {
  color: #fff;
  background: rgba(7, 21, 37, 0.88);
  border-bottom-color: rgba(189, 231, 255, 0.22);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}
.top-nav-wrapper.on-dark:not(.is-solid) .rail-link,
.top-nav-wrapper.on-dark:not(.is-solid) .brand-word {
  color: #fff;
}
.top-nav-wrapper.on-dark:not(.is-solid) .locale-btn,
.top-nav-wrapper.on-dark:not(.is-solid) .drawer-open {
  color: #fff;
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.32);
}
.stage-hero .action-ghost,
.page-hero.dark .action-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}
.top-nav-wrapper.is-solid {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px rgba(7, 21, 37, 0.06);
}
.top-nav-wrapper.is-solid .locale-btn,
.top-nav-wrapper.is-solid .drawer-open {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}
.top-nav-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-lockup img { width: 34px; height: 34px; }
.brand-word { font-family: var(--display); font-weight: 650; font-size: 1.05rem; color: inherit; }
.primary-rail {
  display: none;
  flex: 1 1 auto;
  justify-content: center;
  align-items: center;
  gap: 8px 22px;
  font-size: 0.94rem;
  font-weight: 600;
}
.rail-link {
  position: relative;
  color: inherit;
  padding: 8px 2px;
  white-space: nowrap;
}
.rail-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 2px;
  background: var(--brand);
  transition: right 180ms ease;
}
.rail-link:hover::after,
.rail-link.is-here::after { right: 0; }
.nav-end {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-inline-start: auto;
  flex: 0 0 auto;
}
.locale-picker { position: relative; }
.locale-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 10px;
  padding: 0.42rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 650;
}
.locale-menu {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 11rem;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 16px 36px rgba(7, 21, 37, 0.12);
  z-index: 80;
}
.locale-menu a {
  display: block;
  padding: 0.48rem 0.7rem;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink);
}
.locale-menu a:hover,
.locale-menu a[aria-current="page"] {
  background: var(--pale);
  color: var(--brand);
}
.get-win-chip,
.action-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 0.7rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 650;
  box-shadow: 0 10px 24px rgba(22, 135, 248, 0.22);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.get-win-chip { padding: 0.48rem 0.95rem; font-size: 0.84rem; }
.corner-get {
  position: fixed;
  z-index: 55;
  inset-inline-end: 20px;
  bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 650;
  box-shadow: 0 12px 28px rgba(22, 135, 248, 0.32);
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.corner-get svg { flex: 0 0 auto; }
.corner-get:hover {
  background: var(--bright);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(22, 135, 248, 0.4);
}
.action-primary:hover,
.get-win-chip:hover {
  background: var(--bright);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(22, 135, 248, 0.3);
}
.action-primary:active,
.get-win-chip:active { transform: scale(0.98); }
.action-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--brand);
  border: 1px solid var(--brand);
  border-radius: 12px;
  padding: 0.68rem 1.1rem;
  font-weight: 650;
  transition: transform 160ms ease, background 160ms ease;
}
.action-ghost:hover { background: rgba(22, 135, 248, 0.06); transform: translateY(-2px); }
.drawer-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.drawer-sheet {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 14px 16px 18px;
}
.drawer-sheet nav { display: flex; flex-direction: column; gap: 12px; font-weight: 600; }
.top-nav-wrapper.is-open .drawer-sheet { display: block; }

.stage-hero {
  position: relative;
  isolation: isolate;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 18% 12%, rgba(54, 167, 255, 0.22), transparent 60%),
    radial-gradient(800px 380px at 86% 18%, rgba(22, 135, 248, 0.16), transparent 62%),
    linear-gradient(180deg, #071525 0%, #0B2340 58%, #0d2d52 100%);
  color: #fff;
}
.lumen-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
  animation: lumen-drift 16s ease-in-out infinite;
}
.lumen-a { width: 420px; height: 420px; left: -60px; top: 40px; background: rgba(54, 167, 255, 0.32); }
.lumen-b { width: 360px; height: 360px; right: -40px; top: 90px; background: rgba(22, 135, 248, 0.24); animation-duration: 19s; animation-direction: reverse; }
.lumen-c { width: 280px; height: 280px; left: 38%; bottom: 8%; background: rgba(189, 231, 255, 0.16); animation-duration: 18s; }
.tech-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(189, 231, 255, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(189, 231, 255, 0.04) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 75%);
}
.dust {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.16) 1px, transparent 1.2px);
  background-size: 72px 72px;
  opacity: 0.22;
}
@keyframes lumen-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate3d(7%, -8%, 0) scale(1.12); opacity: 0.82; }
}
.hero-copy {
  position: relative;
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
  text-align: center;
}
.hero-mark { width: 64px; height: 64px; margin: 0 auto 16px; filter: drop-shadow(0 8px 18px rgba(22,135,248,.35)); }
.hero-name { margin: 0; font-size: 1.05rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ice); font-weight: 650; }
.hero-title { margin: 14px 0 0; font-size: clamp(2.2rem, 5vw, 3.7rem); line-height: 1.08; }
.hero-lead { margin: 18px auto 0; max-width: 640px; font-size: 1.12rem; line-height: 1.6; color: rgba(255,255,255,0.78); }
.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.hero-meta { margin-top: 16px; font-size: 0.88rem; color: rgba(255,255,255,0.62); }
.hero-visual {
  position: relative;
  width: min(980px, calc(100% - 32px));
  margin: 28px auto 0;
  padding-bottom: 56px;
}
.hero-visual img {
  width: 100%;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 30px 70px rgba(0,0,0,0.28);
  transform: translateY(12px);
}
.hero-glow {
  position: absolute;
  inset: auto 10% -20px 10%;
  height: 90px;
  background: radial-gradient(ellipse at center, rgba(54,167,255,0.45), transparent 70%);
  filter: blur(18px);
  pointer-events: none;
}

.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.band { padding: 88px 0; }
.band-pale { background: var(--pale); }
.band-white { background: #fff; }
.band-navy {
  background:
    linear-gradient(180deg, rgba(189,231,255,0.05), transparent 30%),
    radial-gradient(circle at 12% 20%, rgba(54,167,255,0.12), transparent 32%),
    var(--deep);
  color: #fff;
}
.kicker { margin: 0; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand); }
.band-navy .kicker { color: var(--ice); }
.section-title { margin: 10px 0 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.muted { color: var(--muted); }
.band-navy .muted { color: rgba(255,255,255,0.76); }

.split-intro { display: grid; gap: 40px; align-items: center; }
.facts { display: grid; gap: 12px; margin-top: 22px; }
.fact {
  padding: 12px 0 12px 14px;
  border-inline-start: 2px solid var(--brand);
}
.shot-frame {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(11, 35, 64, 0.16);
}
.shot-frame::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 70% 20%, rgba(54,167,255,0.28), transparent 46%);
  pointer-events: none;
}
.shot-frame img { position: relative; width: 100%; object-fit: contain; background: #fff; }
.shot-zoom { cursor: zoom-in; border: 0; padding: 0; background: none; width: 100%; transition: transform 220ms ease; }
.shot-zoom:hover { transform: translateY(-4px); }
.pane-shot {
  display: block;
  width: min(560px, 100%);
  max-width: 560px;
  margin: 28px auto 0;
}
.pane-shot img {
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.pane-shot .shot-frame { box-shadow: 0 12px 28px rgba(11, 35, 64, 0.1); }

.device-stage { text-align: center; }
.device-canvas {
  position: relative;
  margin-top: 36px;
  min-height: 280px;
  border: 1px solid rgba(22,135,248,0.18);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(243,249,255,0.9), #fff),
    repeating-linear-gradient(90deg, transparent, transparent 86px, rgba(22,135,248,0.06) 87px);
  overflow: hidden;
}
.port-row {
  display: grid;
  gap: 10px;
  width: min(720px, 88%);
  margin: 48px auto;
}
.port-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(11, 35, 64, 0.04);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}
.port-chip.is-live { background: #fff; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(22,135,248,0.08); }
.call-pair { display: grid; gap: 24px; margin-top: 28px; text-align: left; }
.call-pair p { margin: 6px 0 0; }

.grid-lines {
  background-image:
    linear-gradient(rgba(189,231,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189,231,255,0.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.kit-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 32px;
}
.kit-block {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 16px;
  border-top: 2px solid var(--brand);
  opacity: 1;
  transform: none;
  transition:
    transform 280ms ease,
    box-shadow 280ms ease,
    border-color 280ms ease,
    opacity 520ms ease var(--kit-delay, 0ms);
}
.kit-mosaic[data-reveal] .kit-block {
  opacity: 0;
  transform: translateY(22px);
}
.kit-mosaic[data-reveal] .kit-block.is-in {
  opacity: 1;
  transform: none;
}
.kit-block::before {
  content: "";
  position: absolute;
  inset: auto 18% -40px 18%;
  height: 70px;
  background: radial-gradient(ellipse, rgba(54, 167, 255, 0.22), transparent 70%);
  opacity: 0;
  transition: opacity 280ms ease;
  pointer-events: none;
  z-index: 0;
}
.kit-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(189, 231, 255, 0.38) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 700ms ease;
  pointer-events: none;
  z-index: 1;
}
.kit-block > * { position: relative; z-index: 2; }
.kit-block:hover,
.kit-mosaic[data-reveal] .kit-block.is-in:hover {
  transform: translateY(-7px);
  border-color: rgba(22, 135, 248, 0.42);
  box-shadow: 0 18px 40px rgba(22, 135, 248, 0.16);
}
.kit-block:hover::before { opacity: 1; }
.kit-block:hover::after { transform: translateX(130%); }
.kit-block svg {
  color: var(--brand);
  transition: transform 260ms ease, filter 260ms ease;
}
.kit-block:hover svg {
  transform: scale(1.14);
  filter: drop-shadow(0 0 8px rgba(22, 135, 248, 0.45));
}
.kit-lead {
  display: flex;
  align-items: center;
  gap: 10px;
}
.kit-lead h3,
.kit-block .kit-lead h3 { margin: 0; font-size: 1.15rem; }
.kit-block h3 { margin: 12px 0 0; font-size: 1.15rem; }
.kit-block p { margin: 8px 0 0; color: var(--muted); }
.kit-marks { display: flex; gap: 10px; margin-top: 16px; align-items: center; }
.kit-marks img {
  width: 36px;
  height: 36px;
  transition: transform 260ms ease;
}
.kit-block:hover .kit-marks img { transform: translateY(-2px) scale(1.06); }

.cinema {
  position: relative;
  padding: 100px 0;
  background: var(--pale);
  overflow: hidden;
}
.cinema-glow {
  position: absolute;
  left: 50%;
  top: 54%;
  width: 70%;
  height: 180px;
  transform: translate(-50%, -40%);
  background: radial-gradient(ellipse, rgba(54,167,255,0.28), transparent 70%);
  pointer-events: none;
}
.cinema-shot {
  position: relative;
  width: min(440px, calc(100% - 48px));
  margin: 36px auto 0;
  background: transparent;
  box-shadow: none;
  border: 0;
}
.cinema-shot .shot-zoom {
  cursor: default;
}
.cinema-shot .shot-zoom:hover { transform: none; }
.cinema-shot img {
  display: block;
  width: 100%;
  max-width: 440px;
  max-height: 280px;
  object-fit: contain;
  margin: 0 auto;
}

.case-grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}
.case-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--pale);
}
.case-row .shot-zoom {
  order: -1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 128px;
  padding: 14px;
  background: #fff;
  border-radius: 14px;
  cursor: default;
}
.case-row .shot-zoom:hover { transform: none; }
.case-row img {
  width: auto;
  max-width: 132px;
  max-height: 96px;
  margin: 0 auto;
  object-fit: contain;
}
.case-copy h3 { margin: 0 0 6px; font-size: 1.05rem; }
.case-copy p { margin: 0; }

.compare-wrap { overflow-x: auto; margin-top: 28px; }
.compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #fff;
}
.compare-table th,
.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.92rem;
}
.compare-table th { color: var(--muted); font-weight: 560; }
.compare-table th.col-own,
.compare-table td.col-own {
  background: #F3F9FF;
  color: var(--ink);
  font-weight: 650;
  box-shadow: inset 0 0 0 1px rgba(22,135,248,0.16);
}

.voice-track-wrap { overflow: hidden; }
.voice-track {
  display: flex;
  width: max-content;
  gap: 14px;
  animation: voice-move 46s linear infinite;
}
.voice-track-wrap:hover .voice-track { animation-play-state: paused; }
.voice-card {
  flex: 0 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}
.voice-card q { display: block; font-size: 0.95rem; line-height: 1.55; }
.voice-meta { margin-top: 14px; font-size: 0.78rem; color: var(--muted); }
@keyframes voice-move {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.faq-wide { width: min(860px, calc(100% - 32px)); margin: 0 auto; }
.faq-row {
  margin-bottom: 10px;
  padding: 0 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.faq-row:hover {
  transform: translateY(-2px);
  border-color: rgba(22, 135, 248, 0.35);
  box-shadow: 0 14px 30px rgba(22, 135, 248, 0.1);
}
.faq-row button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 650;
  cursor: pointer;
}
.faq-row .mark { color: var(--brand); font-size: 1.4rem; line-height: 1; }
.faq-row .answer { padding: 0 0 18px; color: var(--muted); }

.final-band {
  position: relative;
  overflow: hidden;
  padding: 92px 0;
  background:
    radial-gradient(700px 240px at 20% 40%, rgba(54,167,255,0.28), transparent 60%),
    linear-gradient(180deg, #1687F8, #0B5FBF);
  color: #fff;
  text-align: center;
}
.final-band .lumen-orb { background: rgba(189,231,255,0.2); }
.final-band h2 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); }
.final-band p { margin: 16px auto 0; max-width: 560px; color: rgba(255,255,255,0.84); }
.final-band .action-primary { background: #fff; color: #0B2340; margin-top: 28px; }

.site-end {
  background: var(--pale);
  padding: 56px 0 32px;
  border-top: 1px solid var(--line);
}
.end-grid { display: grid; gap: 28px; }
.end-copy { color: var(--muted); font-size: 0.92rem; }
.social-row { display: flex; gap: 10px; margin-top: 14px; }
.social-row img { width: 26px; height: 26px; }

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 76px;
  background:
    radial-gradient(820px 340px at 12% -10%, rgba(54,167,255,0.26), transparent 56%),
    radial-gradient(640px 260px at 92% 12%, rgba(22,135,248,0.14), transparent 52%),
    linear-gradient(180deg, #E7F3FF, #fff 72%);
  text-align: center;
}
.page-hero.dark {
  background:
    radial-gradient(820px 340px at 18% 0%, rgba(54,167,255,0.26), transparent 56%),
    radial-gradient(620px 260px at 88% 18%, rgba(22,135,248,0.16), transparent 50%),
    linear-gradient(180deg, #071525, #0B2340);
  color: #fff;
}
.page-hero.dark .muted,
.page-hero.dark .crumbs { color: rgba(255,255,255,0.72); }
.page-hero.dark .kicker { color: var(--ice); }
.crumbs { margin-top: 16px; font-size: 0.86rem; color: var(--muted); }
.crumbs a { color: var(--brand); font-weight: 650; }

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 135, 248, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 135, 248, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(#000 50%, transparent);
  pointer-events: none;
}
.page-hero .wrap { position: relative; max-width: 760px; }
.page-hero .section-title {
  font-size: clamp(2rem, 4.6vw, 3.25rem);
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
}
.page-hero .muted { margin: 16px auto 0; max-width: 42rem; }
.page-hero.dark::before {
  background-image:
    linear-gradient(rgba(189, 231, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189, 231, 255, 0.05) 1px, transparent 1px);
}

.alt-block { display: grid; gap: 36px; align-items: center; }
.alt-block .shot-zoom {
  max-width: 460px;
  margin-inline: auto;
}
.alt-block img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  border-radius: 16px;
  background: #fff;
}
.tech-note {
  margin-top: 16px;
  padding: 14px 16px;
  border-inline-start: 3px solid var(--brand);
  background: var(--pale);
  border-radius: 0 12px 12px 0;
  font-size: 0.92rem;
}
.warn-block {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(22, 135, 248, 0.22);
  background: #F3F9FF;
  border-radius: 12px;
  font-size: 0.92rem;
}
.step-list {
  margin: 18px 0 0;
  padding-inline-start: 0;
  list-style: none;
  counter-reset: steps;
}
.step-list li {
  position: relative;
  margin: 14px 0;
  padding-inline-start: 44px;
  counter-increment: steps;
}
.step-list li::before {
  content: counter(steps);
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--pale);
  color: var(--brand);
  border: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 700;
}
.guide-shell > div > article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 30px 32px;
  box-shadow: 0 12px 32px rgba(11, 35, 64, 0.05);
}
.guide-shell > div > article + article { margin-top: 18px !important; }
.guide-rail {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: 16px;
  font-size: 0.9rem;
  font-weight: 600;
}
.guide-rail a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}
.guide-rail a:hover,
.guide-rail a.is-here {
  color: var(--brand);
  background: #fff;
}
.topic-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 6px;
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.topic-nav button {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 0.46rem 0.95rem;
  font-weight: 650;
  cursor: pointer;
  color: var(--ink);
}
.topic-nav button[aria-selected="true"] {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 18px rgba(22, 135, 248, 0.22);
}
.download-hero-card {
  position: relative;
  overflow: hidden;
  width: min(760px, calc(100% - 32px));
  margin: 28px auto 0;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  border-radius: 20px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 22px 50px rgba(11, 35, 64, 0.08);
}
.meta-list { display: grid; gap: 10px; margin-top: 8px; }
.meta-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--pale);
  font-size: 0.94rem;
}
.wrap[style*="max-width"] {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 34px;
  box-shadow: 0 16px 40px rgba(11, 35, 64, 0.05);
}
.band-white .wrap[style*="max-width"] { background: var(--pale); border-color: transparent; }
.tool-cols {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
  columns: unset !important;
}
.tool-cols p {
  margin: 0;
  padding: 11px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 650;
}
.hash-box { overflow-x: auto; font-size: 0.84rem; word-break: break-all; }
.shot-viewer {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7,21,37,0.72);
  padding: 20px;
}
.shot-viewer[hidden] { display: none; }
.viewer-close {
  position: absolute;
  top: 18px;
  inset-inline-end: 18px;
  border: 0;
  background: #fff;
  border-radius: 999px;
  width: 40px;
  height: 40px;
  font-weight: 800;
}
.viewer-body { max-width: 960px; max-height: 90vh; overflow: auto; }
.viewer-body img { width: 100%; }

html[lang="zh-CN"] body,
html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3 { font-family: "Noto Sans SC", var(--body); }
html[lang="ar"] body { font-family: "Noto Sans Arabic", var(--body); }
html[lang="ar"] h1,
html[lang="ar"] h2,
html[lang="ar"] h3,
html[lang="ar"] .type-display {
  font-family: "Noto Sans Arabic", var(--display);
  letter-spacing: 0;
}
html[lang="ar"] .kicker {
  letter-spacing: 0.04em;
  text-transform: none;
}
html[lang="zh-CN"] .primary-rail,
html[lang="zh-CN"] .drawer-sheet nav { letter-spacing: 0.04em; }
html[lang="ru"] .get-win-chip,
html[lang="ru"] .action-primary { padding-left: 1.35rem; padding-right: 1.35rem; }
html[dir="rtl"] { direction: rtl; }
html[dir="rtl"] body { text-align: right; }
html[dir="rtl"] .rail-link::after { left: 100%; right: 0; }
html[dir="rtl"] .rail-link:hover::after,
html[dir="rtl"] .rail-link.is-here::after { left: 0; }
html[dir="rtl"] .faq-row button,
html[dir="rtl"] table { text-align: right; }
html[dir="rtl"] .call-pair { text-align: right; }
html[dir="rtl"] .kit-block { text-align: start; }

@media (min-width: 980px) {
  .primary-rail { display: flex; }
  .get-win-chip.desktop-only { display: inline-flex; }
  .drawer-open { display: none; }
  .split-intro,
  .alt-block,
  .call-pair { grid-template-columns: 1fr 1fr; }
  .split-intro.is-wide { grid-template-columns: 0.9fr 1.1fr; }
  .kit-mosaic { grid-template-columns: 1.4fr 1fr; }
  .kit-wide { grid-column: 1 / -1; }
  .kit-info { max-width: none; }
  .case-grid { grid-template-columns: 1fr 1fr 1fr; }
  .end-grid { grid-template-columns: 1.2fr 0.8fr 1fr; }
  .guide-shell { display: grid; grid-template-columns: 220px 1fr; gap: 48px; }
  .meta-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 979px) {
  .get-win-chip.desktop-only { display: none; }
  .hero-copy { padding: 24px 0; }
  .band { padding: 64px 0; }
  .case-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .case-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .lumen-orb, .voice-track { animation: none !important; }
  .kit-mosaic[data-reveal] .kit-block,
  .kit-block:hover,
  .kit-mosaic[data-reveal] .kit-block.is-in:hover {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .kit-block::after,
  .kit-block:hover svg,
  .kit-block:hover .kit-marks img,
  .corner-get:hover,
  .faq-row:hover { transform: none; filter: none; }
  html { scroll-behavior: auto; }
}