:root {
  --white: #ffffff;
  --ink: #111113;
  --muted: #6e6e73;
  --soft: #f5f5f7;
  --line: rgba(0, 0, 0, 0.08);
  --pink: #ff7eb6;
  --pink-strong: #f45a9a;
  --blue: #76c8ff;
  --green: #5fe3bd;
  --yellow: #ffd965;
  --shadow-soft: 0 24px 70px rgba(17, 17, 19, 0.10);
  --shadow-card: 0 16px 44px rgba(17, 17, 19, 0.08);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shell: min(1180px, calc(100vw - 48px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -3;
  border-radius: 50%;
  filter: blur(2px);
}
body::before {
  inset: -24vw -14vw auto auto;
  width: 64vw;
  height: 64vw;
  background: radial-gradient(circle, rgba(255, 126, 182, 0.20), transparent 60%);
}
body::after {
  left: -20vw;
  top: 18vh;
  width: 48vw;
  height: 48vw;
  background: radial-gradient(circle, rgba(118, 200, 255, 0.17), transparent 62%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only, .skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  border-radius: 12px;
}

/* Typography discipline: avoid broken one-character titles. */
h1, h2, h3 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.052em;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  text-wrap: balance;
}
h1 span,
h2 span,
h3 span { display: block; }
p { margin: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.055);
}
.nav {
  height: 64px;
  display: grid;
  grid-template-columns: 150px 1fr auto auto;
  align-items: center;
  gap: 22px;
}
.brand img { width: 126px; height: auto; object-fit: contain; }
.nav-menu {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 27px);
  color: rgba(17,17,19,.72);
  font-size: 13px;
  letter-spacing: -0.01em;
}
.nav-menu a { transition: color .2s ease; }
.nav-menu a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink);
  color: white;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 650;
  box-shadow: 0 10px 26px rgba(0,0,0,.12);
}
.nav-toggle { display: none; }

.hero {
  min-height: calc(100svh - 64px);
  position: relative;
  display: grid;
  align-items: center;
  padding: 80px 0 76px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 62%, #fff 100%),
    radial-gradient(circle at 78% 16%, rgba(255,126,182,.24), transparent 36%),
    radial-gradient(circle at 20% 80%, rgba(118,200,255,.22), transparent 30%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .36;
  background-image:
    linear-gradient(rgba(17,17,19,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,17,19,.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 72% 45%, black, transparent 64%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
}
.microcopy,
.section-kicker {
  color: var(--pink-strong);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(54px, 7.0vw, 92px);
  line-height: .96;
  max-width: 760px;
}
.hero-lede {
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(18px, 1.85vw, 23px);
  line-height: 1.48;
  letter-spacing: -0.022em;
  max-width: 700px;
}
.hero-actions,
.mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
  align-items: center;
}
.button {
  border: 0;
  cursor: pointer;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 20px;
  font-weight: 680;
  letter-spacing: -0.015em;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--pink-strong), var(--pink));
  box-shadow: 0 16px 36px rgba(244, 90, 154, .24);
}
.button.secondary {
  color: var(--ink);
  background: rgba(255,255,255,.84);
  border: 1px solid var(--line);
  box-shadow: 0 14px 30px rgba(17,17,19,.07);
}
.button.text { padding-inline: 6px; color: var(--pink-strong); }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
  margin-top: 34px;
  max-width: 720px;
}
.hero-proof article {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.70);
  border-radius: 20px;
  padding: 14px;
}
.hero-proof strong { display: block; font-size: 13px; letter-spacing: -.015em; margin-bottom: 5px; }
.hero-proof span { display: block; color: var(--muted); font-size: 12px; line-height: 1.38; }
.hero-visual { position: relative; }
.hero-card {
  border-radius: var(--radius-xl);
  padding: 14px;
  background: rgba(255,255,255,.70);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255,255,255,.8);
  transform: rotate(.6deg);
}
.hero-card img {
  width: 100%;
  border-radius: 28px;
  aspect-ratio: 2048 / 630;
  object-fit: cover;
  background: var(--soft);
}
.floating-note {
  position: absolute;
  border-radius: 22px;
  background: rgba(255,255,255,.80);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.84);
  box-shadow: 0 18px 46px rgba(17,17,19,.10);
  color: rgba(17,17,19,.72);
  font-size: 13px;
  line-height: 1.3;
  padding: 14px 16px;
}
.floating-note strong { display: block; color: var(--pink-strong); font-size: 26px; letter-spacing: -.04em; }
.note-pink { right: 4%; top: -42px; }
.note-blue { left: 7%; bottom: -42px; max-width: 220px; }

section { padding: 116px 0; }
.section-copy h2,
.section-heading-row h2,
.centered h2,
.contact-copy h2 {
  font-size: clamp(38px, 4.65vw, 64px);
  line-height: 1.02;
  max-width: 880px;
}
.section-copy p,
.section-heading-row p,
.centered p,
.contact-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: -0.014em;
}
.section-copy p:not(.section-kicker) { margin-top: 22px; }
.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 42px;
  align-items: end;
  margin-bottom: 46px;
}
.centered {
  max-width: 850px;
  margin: 0 auto 48px;
  text-align: center;
}
.narrow { max-width: 780px; }

.official { background: linear-gradient(180deg, #fff, #fbfbfd); }
.official-grid,
.editorial-grid,
.reviews-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}
.route-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.route-panel article,
.blog-card,
.contact-form,
.tech-points article,
.product-detail,
.evidence-card,
.manual-card,
.hero-product {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.80);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}
.route-panel article {
  min-height: 245px;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.route-panel span,
.product-detail span,
.product-family {
  color: var(--pink-strong);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: .13em;
}
.route-panel h3 { font-size: 30px; line-height: 1; margin-top: 28px; }
.route-panel p,
.tech-feature p,
.tech-points p,
.product-detail p,
.hero-product-copy p,
.evidence-card p,
.blog-card p,
.check-list,
.manual-card figcaption {
  color: var(--muted);
  line-height: 1.58;
  letter-spacing: -.01em;
}
.route-panel p { margin-top: 12px; }

.brand-story { background: #fff; }
.manual-frame {
  padding: 12px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,.8);
  background: rgba(255,255,255,.78);
  box-shadow: var(--shadow-soft);
}
.manual-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 26px;
  object-fit: cover;
  background: var(--soft);
}
.value-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.value-row span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: rgba(17,17,19,.72);
  font-weight: 700;
  font-size: 13px;
}

.technology { background: #fbfbfd; }
.tech-showcase { display: grid; gap: 18px; }
.tech-feature {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow-card);
}
.tech-feature img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.tech-feature div { padding: clamp(28px, 4vw, 58px); align-self: center; }
.tech-feature span {
  color: var(--pink-strong);
  display: inline-flex;
  font-size: clamp(32px, 4vw, 58px);
  font-weight: 820;
  letter-spacing: -.06em;
  margin-bottom: 16px;
}
.tech-feature h3 { font-size: clamp(30px, 3.8vw, 48px); line-height: 1.02; }
.tech-feature p { margin-top: 16px; font-size: 17px; }
.tech-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.tech-points article {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.tech-points img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--soft); }
.tech-points h3 { font-size: 22px; line-height: 1.08; padding: 20px 20px 0; }
.tech-points p { padding: 10px 20px 22px; }

.products { background: #fff; }
.hero-product {
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 62px);
  border-radius: 40px;
  padding: 18px;
  margin-bottom: 18px;
}
.hero-product-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 30px;
  background: var(--soft);
}
.hero-product-copy { align-self: center; padding: 16px 28px 16px 0; }
.hero-product-copy h3 { font-size: clamp(36px, 4.8vw, 64px); line-height: .98; margin-top: 12px; }
.hero-product-copy p { margin-top: 20px; font-size: 18px; }
.spec-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}
.spec-list div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.spec-list dt { font-weight: 780; color: var(--ink); }
.spec-list dd { margin: 0; color: var(--muted); line-height: 1.5; }
.mini-actions { margin-top: 24px; }
.mini-actions a {
  border-radius: 999px;
  background: #f5f5f7;
  padding: 11px 16px;
  font-weight: 740;
  font-size: 13px;
  color: var(--ink);
}
.product-catalog {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.product-detail {
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.product-detail img { width: 100%; aspect-ratio: 1.08 / 1; object-fit: cover; background: var(--soft); }
.product-detail div { padding: 24px; }
.product-detail h3 { font-size: 28px; line-height: 1.05; margin-top: 10px; }
.product-detail p { margin-top: 12px; }
.product-detail ul { margin: 16px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.65; }

.manual-gallery { background: #fbfbfd; }
.manual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.manual-card {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.manual-card.large { grid-column: span 2; grid-row: span 2; }
.manual-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--soft); }
.manual-card figcaption { padding: 16px 18px 18px; font-weight: 680; color: rgba(17,17,19,.72); }

.authority { background: linear-gradient(180deg, #fff, #fbfbfd 42%, #fff); }
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.evidence-card { border-radius: var(--radius-xl); overflow: hidden; }
.evidence-card.wide { grid-column: span 3; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; }
.evidence-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--soft); }
.evidence-card.wide img { height: 100%; min-height: 370px; }
.evidence-card div { padding: 24px; }
.evidence-card h3 { font-size: 26px; line-height: 1.06; margin-top: 14px; }
.evidence-card p { margin-top: 12px; }
.status {
  display: inline-flex;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 760;
  padding: 7px 10px;
}
.status.verified { color: #0a7d62; background: rgba(95,227,189,.18); }
.status.pending { color: #8a5d00; background: rgba(255,217,101,.30); }

.reviews { background: #fff; }
.reviews-grid { grid-template-columns: minmax(420px, 1.05fr) minmax(0, .95fr); }
.check-list { padding-left: 20px; margin-top: 20px; }
.check-list li + li { margin-top: 12px; }

.blog { background: #fbfbfd; }
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.blog-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  position: relative;
}
.blog-card::before {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,126,182,.18);
}
.blog-card:nth-child(2)::before { background: rgba(118,200,255,.20); }
.blog-card:nth-child(3)::before { background: rgba(95,227,189,.18); }
.blog-card:nth-child(4)::before { background: rgba(255,217,101,.22); }
.blog-card span { color: var(--pink-strong); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; font-weight: 760; margin-bottom: 18px; }
.blog-card h3 { font-size: 24px; line-height: 1.1; }
.blog-card p { margin-top: 12px; }

.contact { padding-bottom: 126px; }
.contact-grid { align-items: start; }
.contact-methods { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.contact-methods a {
  width: fit-content;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.78);
  color: var(--pink-strong);
  font-weight: 740;
}
.contact-form {
  border-radius: var(--radius-xl);
  padding: 26px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(17,17,19,.78);
  font-size: 13px;
  font-weight: 720;
}
.contact-form label span { color: var(--muted); font-weight: 500; }
.contact-form .full { grid-column: 1 / -1; }
input, select, textarea {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  background: rgba(255,255,255,.84);
  color: var(--ink);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(244,90,154,.42);
  box-shadow: 0 0 0 4px rgba(255,126,182,.13);
}
textarea { resize: vertical; min-height: 130px; }
.form-note { grid-column: 1 / -1; min-height: 24px; margin: 0; color: var(--muted); line-height: 1.5; }
.form-note.success { color: #08775f; }
.form-note.error { color: #b00020; }

.site-footer {
  padding: 46px 0;
  background: #111113;
  color: rgba(255,255,255,.72);
}
.footer-grid { display: grid; grid-template-columns: 1.1fr .75fr .65fr .9fr; gap: 38px; }
.site-footer img { width: 138px; filter: invert(1); opacity: .92; }
.site-footer h2 { color: white; font-size: 12px; text-transform: uppercase; letter-spacing: .13em; margin: 0 0 12px; }
.site-footer a { display: block; color: rgba(255,255,255,.86); margin: 9px 0; }
.site-footer p { line-height: 1.6; max-width: 380px; }
.legal { font-size: 13px; color: rgba(255,255,255,.55); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@media (max-width: 1120px) {
  .nav { grid-template-columns: 140px 1fr auto; }
  .nav-toggle {
    grid-column: 3;
    justify-self: end;
    display: inline-grid;
    gap: 5px;
    border: 0;
    background: transparent;
    padding: 10px;
  }
  .nav-toggle span:not(.sr-only) { width: 20px; height: 2px; border-radius: 999px; background: var(--ink); }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 20px;
    right: 20px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(22px);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-menu a { padding: 14px; border-radius: 16px; }
  .nav-menu a:hover { background: #f5f5f7; }
  .nav-cta { display: none; }
  .hero-grid,
  .official-grid,
  .editorial-grid,
  .reviews-grid,
  .contact-grid,
  .tech-feature,
  .hero-product { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; min-height: auto; }
  .hero h1 { max-width: 820px; }
  .route-panel,
  .tech-points,
  .product-catalog,
  .manual-grid,
  .evidence-grid,
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading-row { grid-template-columns: 1fr; gap: 16px; }
  .hero-product-copy { padding: 10px 10px 18px; }
  .manual-card.large, .evidence-card.wide { grid-column: 1 / -1; }
  .evidence-card.wide { grid-template-columns: 1fr; }
  .evidence-card.wide img { min-height: 0; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  :root { --shell: min(100vw - 30px, 1180px); }
  section { padding: 82px 0; }
  .nav { height: 58px; grid-template-columns: 128px 1fr auto; }
  .nav-menu { top: 58px; }
  .brand img { width: 112px; }
  .hero h1 { font-size: clamp(38px, 10.4vw, 54px); line-height: 1.02; }
  .section-copy h2,
  .section-heading-row h2,
  .centered h2,
  .contact-copy h2 { font-size: clamp(30px, 8.8vw, 44px); line-height: 1.08; }
  .hero-lede,
  .section-copy p,
  .section-heading-row p,
  .centered p,
  .contact-copy p { font-size: 16.5px; line-height: 1.62; }
  .hero-actions { align-items: stretch; }
  .button { width: 100%; }
  .hero-proof,
  .route-panel,
  .tech-points,
  .product-catalog,
  .manual-grid,
  .evidence-grid,
  .blog-grid,
  .contact-form,
  .footer-grid { grid-template-columns: 1fr; }
  .hero-card { border-radius: 26px; padding: 8px; }
  .hero-card img { border-radius: 20px; min-height: 220px; }
  .floating-note { position: static; margin-top: 12px; }
  .route-panel article { min-height: 190px; }
  .tech-feature img { min-height: auto; }
  .tech-feature div { padding: 24px; }
  .tech-feature span { font-size: 32px; }
  .hero-product { border-radius: 28px; padding: 12px; }
  .hero-product-media img { border-radius: 22px; }
  .hero-product-copy h3 { font-size: clamp(32px, 9vw, 42px); }
  .spec-list div { grid-template-columns: 1fr; gap: 5px; }
  .product-detail div,
  .evidence-card div { padding: 20px; }
  .manual-frame { border-radius: 28px; padding: 8px; }
  .manual-frame img { border-radius: 20px; }
  .contact-form { padding: 18px; border-radius: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* v3: English translation overlays for Chinese PDF/manual screenshots */
.translated-manual { position: relative; }
.translation-panel {
  position: absolute;
  left: 22px;
  bottom: 58px;
  max-width: min(420px, calc(100% - 44px));
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 18px 42px rgba(17,17,19,.10);
}
.translation-panel.compact {
  left: 16px;
  right: 16px;
  bottom: 56px;
  max-width: none;
  padding: 14px 16px;
}
.translation-panel span {
  display: block;
  color: var(--pink-strong);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: .13em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.translation-panel h3 {
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.05;
  letter-spacing: -.045em;
}
.translation-panel p {
  margin-top: 8px;
  color: rgba(17,17,19,.76);
  line-height: 1.48;
  font-size: 14px;
}

.case-showcase {
  display: grid;
  grid-template-columns: minmax(420px, .95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: stretch;
}
.case-quotes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.quote-card {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  align-items: center;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.82);
  box-shadow: var(--shadow-card);
}
.quote-card img {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(17,17,19,.12);
}
.quote-card blockquote {
  margin: 0;
  color: rgba(17,17,19,.78);
  line-height: 1.55;
  font-size: 16px;
}
.quote-card span {
  grid-column: 2;
  color: var(--pink-strong);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: -6px;
}
.review-rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.review-rules article {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background: rgba(255,255,255,.78);
}
.review-rules strong { display: block; margin-bottom: 8px; letter-spacing: -.02em; }
.review-rules span { color: var(--muted); line-height: 1.55; font-size: 14px; }

@media (max-width: 1120px) {
  .case-showcase { grid-template-columns: 1fr; }
  .review-rules { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .translation-panel,
  .translation-panel.compact {
    position: static;
    margin: 10px;
    max-width: none;
  }
  .quote-card { grid-template-columns: 56px 1fr; padding: 18px; gap: 14px; }
  .quote-card img { width: 56px; height: 56px; }
  .quote-card blockquote { font-size: 14.5px; }
  .quote-card span { grid-column: 1 / -1; margin-top: 0; }
}

/* Language selector */
.language-control {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.74);
  color: rgba(17,17,19,.68);
  font-size: 12px;
  font-weight: 680;
}
.language-control select {
  appearance: none;
  border: 0;
  padding: 5px 22px 5px 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255,126,182,.16), rgba(118,200,255,.16));
  color: var(--ink);
  font-size: 12px;
  font-weight: 760;
  cursor: pointer;
}
.language-control::after {
  content: "⌄";
  margin-left: -26px;
  pointer-events: none;
  color: rgba(17,17,19,.55);
}

@media (max-width: 1120px) {
  .language-control { grid-column: 2; grid-row: 1; justify-self: end; margin-right: 10px; }
}

@media (max-width: 720px) {
  .language-control span { display: none; }
  .language-control { padding-left: 8px; margin-right: 42px; }
}

/* v5: Hero editorial refinement - more premium balance between official copy and product visual */
.hero {
  padding: clamp(76px, 8vw, 118px) 0 92px;
  align-items: center;
}
.hero-grid {
  grid-template-columns: minmax(420px, 0.78fr) minmax(560px, 1.22fr);
  gap: clamp(58px, 7vw, 120px);
}
.hero-copy {
  max-width: 650px;
  align-self: center;
}
.hero h1 {
  font-size: clamp(54px, 5.55vw, 78px);
  line-height: .97;
  letter-spacing: -0.064em;
  max-width: 660px;
}
.hero h1 span:first-child {
  white-space: nowrap;
}
.hero h1 span + span {
  font-size: .78em;
  line-height: 1.03;
  letter-spacing: -0.056em;
  margin-top: .06em;
  max-width: 620px;
}
.hero-lede {
  max-width: 560px;
  margin-top: 24px;
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.62;
  color: rgba(17,17,19,.58);
}
.hero-actions {
  margin-top: 30px;
}
.hero-proof {
  max-width: 620px;
  margin-top: 28px;
}
.hero-proof article {
  padding: 15px 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.78);
}
.hero-visual {
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card {
  width: min(100%, 790px);
  padding: 18px;
  border-radius: 44px;
  transform: none;
  background: rgba(255,255,255,.74);
  box-shadow: 0 32px 90px rgba(17,17,19,.13);
}
.hero-card img {
  border-radius: 32px;
  aspect-ratio: 16 / 7.2;
  min-height: 330px;
  object-fit: cover;
  object-position: center;
}
.note-pink {
  right: 1%;
  top: 16%;
}
.note-blue {
  left: 7%;
  bottom: 17%;
}

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .hero-copy {
    max-width: 800px;
  }
  .hero h1 {
    max-width: 760px;
  }
  .hero-visual {
    min-height: auto;
    justify-content: flex-start;
  }
  .hero-card {
    width: 100%;
  }
  .hero-card img {
    min-height: 280px;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 46px;
  }
  .hero h1 {
    font-size: clamp(36px, 9.5vw, 50px);
    line-height: 1.02;
  }
  .hero h1 span:first-child {
    white-space: normal;
  }
  .hero h1 span + span {
    font-size: .86em;
  }
  .hero-lede {
    max-width: 100%;
    font-size: 16px;
    line-height: 1.6;
  }
  .hero-card {
    border-radius: 28px;
    padding: 10px;
  }
  .hero-card img {
    border-radius: 22px;
    min-height: 250px;
    aspect-ratio: 1.45 / 1;
  }
}

/* v6: keep hero campaign image uncropped and enrich right-side official product visual */
.hero-visual-inner {
  width: min(100%, 900px);
  display: grid;
  gap: 16px;
}
.hero-card {
  width: 100%;
}
.hero-card img {
  aspect-ratio: 2048 / 630;
  min-height: 0;
  height: auto;
  object-fit: contain;
  object-position: center;
}
.hero-mini-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: min(86%, 720px);
  margin-inline: auto;
}
.hero-mini-row article {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.84);
  box-shadow: 0 14px 34px rgba(17,17,19,.08);
  backdrop-filter: blur(14px);
}
.hero-mini-row img {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--soft);
}
.hero-mini-row span {
  color: rgba(17,17,19,.72);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.15;
  letter-spacing: -.01em;
}
.note-pink {
  right: 0;
  top: 7%;
}
.note-blue {
  left: 4%;
  bottom: 26%;
}

@media (max-width: 1120px) {
  .hero-visual-inner {
    width: 100%;
  }
  .hero-mini-row {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .hero-mini-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .hero-mini-row article {
    grid-template-columns: 48px 1fr;
  }
  .hero-mini-row img {
    width: 48px;
    height: 48px;
  }
  .hero-card img {
    aspect-ratio: 2048 / 630;
    min-height: 0;
  }
}

/* v7: avoid floating note overlapping the product family preview row */
.note-blue {
  bottom: 38%;
}

/* v6: Premium title composition — natural single-line first, no forced short tail lines. */
h1 span,
h2 span,
h3 span {
  display: inline !important;
}
h1 span + span::before,
h2 span + span::before,
h3 span + span::before {
  content: " ";
}
.hero-grid {
  grid-template-columns: minmax(0, .86fr) minmax(520px, 1.14fr);
  grid-template-areas:
    "heading heading"
    "copy visual";
  row-gap: clamp(28px, 4vw, 54px);
  column-gap: clamp(46px, 6vw, 86px);
}
.hero-heading {
  grid-area: heading;
  text-align: center;
  max-width: 1120px;
  margin-inline: auto;
}
.hero-heading .microcopy { margin-bottom: 18px; }
.hero-copy { grid-area: copy; max-width: 620px; }
.hero-visual { grid-area: visual; }
.hero h1 {
  max-width: none;
  font-size: clamp(46px, 5.2vw, 72px);
  line-height: .98;
  letter-spacing: -0.058em;
  white-space: nowrap;
  text-wrap: nowrap;
}
.hero h1 span:first-child { white-space: inherit !important; }
.hero h1 span + span {
  font-size: inherit !important;
  line-height: inherit !important;
  letter-spacing: inherit !important;
  margin-top: 0 !important;
  max-width: none !important;
}
.section-copy h2,
.section-heading-row h2,
.centered h2,
.contact-copy h2 {
  text-wrap: balance;
  max-width: 980px;
}
.section-copy h2 span,
.section-heading-row h2 span,
.centered h2 span,
.contact-copy h2 span,
.hero-product-copy h3 span {
  white-space: normal;
}
@media (min-width: 1121px) {
  .section-copy h2,
  .centered h2,
  .contact-copy h2 { text-wrap: pretty; }
}
@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "heading"
      "copy"
      "visual";
    gap: 34px;
  }
  .hero-heading { text-align: left; margin-inline: 0; }
  .hero h1 {
    white-space: normal;
    text-wrap: balance;
    max-width: 900px;
  }
  .hero-copy { max-width: 760px; }
}
@media (max-width: 720px) {
  .hero h1 {
    font-size: clamp(38px, 10vw, 52px);
    line-height: 1.03;
    letter-spacing: -0.052em;
  }
  h1 span + span::before,
  h2 span + span::before,
  h3 span + span::before { content: " "; }
}
/* Keep semantic spaces in HTML; do not synthesize extra spaces with pseudo-elements. */
h1 span + span::before,
h2 span + span::before,
h3 span + span::before { content: none !important; }
/* v6.1: Softer Apple-like tracking so word spaces stay readable in mixed Latin/Vietnamese headings. */
h1, h2, h3 { letter-spacing: -0.034em; }
.hero h1 { letter-spacing: -0.038em; }
.hero h1 span + span { letter-spacing: inherit !important; }