@font-face {
  font-family: "Swei Spring";
  src: url("./fonts/SweiSpringCJKsc-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Spring";
  src: url("./fonts/SweiSpringCJKsc-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Spring";
  src: url("./fonts/SweiSpringCJKsc-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Swei Spring";
  src: url("./fonts/SweiSpringCJKsc-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --blue: #06449d;
  --blue-deep: #062b63;
  --ink: #111827;
  --muted: #294c79;
  --line: #dfe7f2;
  --ice: #eef6ff;
  --nav-surface: rgba(211, 233, 247, .62);
  --soft: rgba(232, 244, 252, .58);
  --white: rgba(241, 248, 253, .66);
  --glass-surface: rgba(220, 238, 249, .56);
  --glass-surface-strong: rgba(234, 246, 252, .68);
  --font-ui: "Swei Spring", "Songti SC", serif;
  --font-display: "Swei Spring", "Songti SC", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #dceefa;
}

body {
  margin: 0;
  color: var(--ink);
  background: transparent;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.82;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

/* Reuse the navigation's light-blue glass surface for content panels site-wide. */
.product-card a,
.routine-grid article,
.consult-band,
.icon-row span,
.collection-list article,
.concern-list article,
.guide-faq-head,
.home-guide-faq details,
.principle-strip article,
.tech-matrix article,
.story-proof article,
.market-board,
.market-copy,
.market-cards article,
.content-metrics article,
.patent-wall figure,
details,
.consult-layout > div,
.desktop-qr,
.product-media,
dl,
.desktop-buy,
.detail-grid article,
.data-hero,
.data-panel,
.data-stat-grid article,
.benefit-list p,
.sitemap-list a,
.hero-products,
.hero-thumb-card,
.carousel-dots,
.site-nav.is-open,
.menu-toggle {
  background: var(--glass-surface);
  backdrop-filter: blur(14px) saturate(1.12);
}

.studio-grid div {
  background: var(--glass-surface-strong);
  backdrop-filter: blur(14px) saturate(1.12);
}

.gallery-grid img,
.guide-faq-figure {
  background: var(--glass-surface-strong);
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(42px) scale(.985);
  filter: blur(4px);
  transition: opacity .82s ease, transform .82s cubic-bezier(.22, .61, .36, 1), filter .82s ease;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.scroll-stagger > * {
  opacity: 0;
  transform: translateY(28px) scale(.98);
  transition: opacity .62s ease calc(var(--reveal-index, 0) * 90ms), transform .62s cubic-bezier(.22, .61, .36, 1) calc(var(--reveal-index, 0) * 90ms);
}

.scroll-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal,
  .scroll-stagger > *,
  .site-grainient,
  .site-grainient::before {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
    animation: none;
  }
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 64px);
  background: var(--nav-surface);
  border-bottom: 1px solid rgba(6, 68, 157, .24);
  backdrop-filter: blur(18px) saturate(1.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .03em;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: cover;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(14px, 2vw, 28px);
  margin-left: auto;
  font-size: 18px;
  font-weight: 600;
  white-space: nowrap;
}

.site-nav a,
.header-consult {
  color: #0b2851;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.site-nav a:hover,
.header-consult:hover {
  color: var(--blue);
}

.site-nav a[aria-current="page"] {
  color: var(--blue);
  background: rgba(6, 68, 157, .1);
  box-shadow: inset 0 0 0 1px rgba(6, 68, 157, .14);
}

.header-consult {
  padding: 9px 16px;
  border: 1px solid rgba(6, 68, 157, .3);
  background: rgba(245, 251, 255, .36);
  font-size: 17px;
  font-weight: 600;
}

.mobile-wechat-link {
  display: none;
}

.menu-toggle {
  display: none;
}

.breadcrumbs {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px clamp(18px, 4vw, 48px) 0;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumbs a {
  color: var(--muted);
}

.breadcrumbs span {
  padding: 0 8px;
}

.home-hero {
  position: relative;
  isolation: isolate;
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(320px, 36%) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 3vw, 40px);
  padding: clamp(16px, 2.4vw, 32px) clamp(18px, 3.5vw, 52px) clamp(18px, 2.8vw, 38px);
  background: transparent;
  overflow: hidden;
}

.site-grainient {
  position: fixed;
  inset: -22vmax;
  z-index: 0;
  pointer-events: none;
  opacity: .78;
  background:
    radial-gradient(ellipse at 18% 38%, rgba(255, 255, 255, .96) 0 12%, transparent 41%),
    radial-gradient(ellipse at 78% 20%, rgba(117, 186, 233, .54) 0 18%, transparent 48%),
    radial-gradient(ellipse at 54% 82%, rgba(193, 225, 249, .82) 0 16%, transparent 44%),
    linear-gradient(118deg, #f7fcff 6%, #dceefa 48%, #eef8ff 92%);
  filter: blur(16px) saturate(1.06);
  animation: site-grainient-drift 16s ease-in-out infinite alternate;
}

.site-grainient::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .2;
  background-image: radial-gradient(rgba(6, 68, 157, .22) .6px, transparent .8px);
  background-size: 5px 5px;
  mix-blend-mode: soft-light;
  animation: site-grainient-grain 7s steps(5) infinite;
}

.site-grainient canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Native WebGL renderer takes over when the browser supports it. */
.site-grainient.is-webgl {
  inset: 0;
  opacity: 1;
  filter: none;
  animation: none;
}

.site-grainient.is-webgl::before {
  display: none;
}

@keyframes site-grainient-drift {
  0% { transform: scale(1) translate3d(-2%, -1%, 0) rotate(-2deg); }
  52% { transform: scale(1.08) translate3d(3%, 2%, 0) rotate(2deg); }
  100% { transform: scale(1.03) translate3d(-1%, 4%, 0) rotate(-1deg); }
}

@keyframes site-grainient-grain {
  0%, 100% { transform: translate3d(0, 0, 0); }
  25% { transform: translate3d(2%, -3%, 0); }
  50% { transform: translate3d(-3%, 2%, 0); }
  75% { transform: translate3d(4%, 3%, 0); }
}

.hero-copy {
  max-width: 560px;
  position: relative;
  z-index: 2;
}

.hero-copy .hero-eyebrow {
  margin-bottom: 18px;
  font-size: clamp(18px, 1.8vw, 28px);
  letter-spacing: .04em;
  line-height: 1.35;
  font-weight: 600;
}

.hero-copy .hero-subcopy {
  margin-top: -2px;
  font-size: clamp(24px, 2vw, 36px);
  line-height: 1.45;
  color: #153d6c;
  text-shadow: 0 1px 0 rgba(237, 248, 255, .64);
  max-width: 720px;
  white-space: nowrap;
  font-weight: 500;
}

.hero-copy h1 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 12px;
  row-gap: 2px;
}

.hero-copy .brand-name,
.hero-copy .brand-title {
  display: inline-block;
}

.hero-copy .brand-dash {
  display: inline-block;
  width: clamp(56px, 8vw, 108px);
  height: .12em;
  margin: 0 .02em;
  border-radius: 999px;
  transform: translateY(-.16em);
  background: linear-gradient(90deg, #0b2a63 0%, #1f4ea8 52%, #6f95df 100%);
  box-shadow: 0 0 0 1px rgba(6, 68, 157, .08);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 86px);
  line-height: 1.08;
  font-weight: 600;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.22;
  font-weight: 600;
}

h3 {
  font-size: 21px;
  line-height: 1.35;
  font-weight: 600;
}

.hero-copy p:not(.eyebrow),
.page-hero p,
.section-head p {
  color: var(--muted);
  max-width: 620px;
}

.page-hero > p:not(.eyebrow) {
  max-width: 760px;
  color: #102f55;
  font-size: clamp(18px, 1.35vw, 21px);
  line-height: 1.85;
  font-weight: 500;
}

@media (min-width: 960px) {
  .page-hero > p:not(.eyebrow) {
    max-width: none;
    white-space: nowrap;
  }
}

.section-head > div > p:not(.eyebrow) {
  color: #183c66;
  font-size: 17px;
  font-weight: 500;
}

.hero-actions,
.mobile-buy {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 24px;
  border: 1px solid var(--blue);
  font-weight: 600;
  font-size: 16px;
}

.btn.primary {
  background: var(--blue);
  color: white;
}

.btn.ghost {
  color: var(--blue);
  background: var(--glass-surface);
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto auto;
  gap: 14px;
  align-items: stretch;
  min-height: 0;
  user-select: none;
}

.hero-slider {
  position: relative;
  display: flex;
  height: clamp(430px, 34vw, 600px);
  min-height: 430px;
  aspect-ratio: 16 / 9.4;
  overflow: hidden;
  border: 1px solid rgba(6, 68, 157, .12);
  background: var(--glass-surface-strong);
  backdrop-filter: blur(14px) saturate(1.12);
  touch-action: pan-y;
  cursor: grab;
}

.hero-slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--glass-surface-strong);
  pointer-events: none;
  transform: translate3d(calc(var(--active, 0) * -100% + var(--drag-x, 0px)), 0, 0);
  transition: transform .55s cubic-bezier(.22, .61, .36, 1);
  will-change: transform;
}

.hero-slider.is-dragging {
  cursor: grabbing;
}

.hero-slider.is-dragging .hero-slide {
  transition: none;
}

.hero-slide.is-active {
  pointer-events: auto;
}

.hero-slide-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  cursor: pointer;
}

.hero-model {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center center;
}

.hero-slide:nth-child(1) .hero-model {
  object-position: center center;
}

.hero-slide:nth-child(3) .hero-model,
.hero-slide:nth-child(4) .hero-model {
  object-fit: contain;
  object-position: center center;
}

.hero-slide:nth-child(2) .hero-model {
  object-position: center center;
}

.hero-slide:nth-child(3) .hero-model {
  object-position: center center;
}

.hero-slide:nth-child(4) .hero-model {
  object-position: center center;
}

.hero-slide:nth-child(5) .hero-model {
  object-position: center center;
}

.slide-caption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  pointer-events: none;
  max-width: 250px;
  padding: 13px 15px;
  background: var(--glass-surface-strong);
  border: 1px solid rgba(6, 68, 157, .14);
  backdrop-filter: blur(12px);
}

.slide-caption span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.slide-caption h2 {
  margin: 3px 0 6px;
  font-size: 21px;
}

.slide-caption p {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.slide-caption a {
  pointer-events: auto;
  color: var(--blue);
  font-weight: 800;
  font-size: 14px;
}

.hero-products {
  position: static;
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  align-items: end;
  gap: 12px;
  background: transparent;
}

.carousel-dots {
  display: none;
}

.mini-product,
.hero-thumb,
.hero-thumb-card {
  display: grid;
  gap: 8px;
  align-content: end;
  min-height: 154px;
  padding: 12px;
  background: var(--glass-surface-strong);
  border: 1px solid rgba(6, 68, 157, .13);
  backdrop-filter: blur(10px);
}

.mini-product img,
.hero-thumb img {
  width: 100%;
  height: 86px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.mini-product span,
.hero-thumb span {
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 700;
}

.hero-thumb {
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.hero-thumb-card {
  padding: 0;
  background: var(--nav-surface);
  border-top-color: transparent;
}

.hero-thumb-card .hero-thumb {
  min-height: 100%;
  border: 0;
  background: transparent;
}

.hero-thumb-link {
  display: none;
}

.hero-thumb.is-active {
  border-color: var(--blue);
  box-shadow: inset 0 -3px 0 var(--blue);
}

.section-head,
.page-hero,
.product-grid,
.routine-grid,
.concern-strip,
.studio-grid,
.consult-band,
.collection-list,
.timeline,
.concern-list,
.stats-panel,
.lab-grid,
.story-body,
.article-grid,
.article-detail,
.faq-list,
.consult-layout,
.contact-grid,
.sitemap-list,
.detail-grid,
.benefit-section,
.desktop-qr {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 48px);
  padding-right: clamp(18px, 4vw, 48px);
}

.section-head.compact {
  padding-top: 0;
  padding-bottom: 18px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 76px;
  padding-bottom: 24px;
}

.home-hero + .section-head {
  padding-top: clamp(34px, 4vw, 52px);
}

.section-head > a {
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-bottom: 46px;
}

.featured-products {
  grid-template-columns: repeat(5, 1fr);
}

.product-card a {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: 18px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1.15;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-card span,
.product-card small {
  color: var(--muted);
  font-size: 13px;
}

.product-card h3 {
  margin-bottom: 2px;
}

.product-card p {
  color: var(--muted);
  font-size: 14px;
}

.routine-grid,
.concern-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  padding-bottom: 54px;
}

.concern-strip {
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-bottom: 44px;
}

.routine-grid article {
  padding: 18px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.routine-grid img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.routine-grid span {
  color: var(--blue);
  font-weight: 700;
}

.routine-grid p,
.routine-grid a,
.concern-strip p,
.concern-list p,
.collection-list p,
.timeline p {
  color: var(--muted);
}

.routine-grid a {
  font-weight: 700;
  color: var(--blue);
}

.concern-strip a {
  min-height: 132px;
  padding: 18px 20px;
  color: white;
  background: linear-gradient(135deg, rgba(6, 68, 157, .88), rgba(92, 157, 220, .72));
}

.concern-strip span {
  display: block;
  margin-bottom: 22px;
  font-size: 19px;
  font-family: var(--font-display);
  font-weight: 600;
}

.concern-strip p {
  color: rgba(255, 255, 255, .86);
  font-size: 14px;
}

.studio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 54px;
}

.studio-grid article {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: var(--soft);
  border: 1px solid var(--line);
}

.studio-grid article:nth-child(2) {
  margin-top: 0;
}

.studio-grid img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  object-position: center center;
}

.studio-grid article:first-child img {
  object-position: center 38%;
}

.studio-grid div {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 18px;
  background: var(--glass-surface-strong);
  border: 1px solid rgba(6, 68, 157, .13);
  backdrop-filter: blur(10px);
}

.studio-grid h3 {
  margin-bottom: 6px;
}

.studio-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.consult-band {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  align-items: center;
  gap: 36px;
  margin-top: 36px;
  margin-bottom: 80px;
  padding-top: 38px;
  padding-bottom: 38px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
}

.consult-band img {
  height: 310px;
  width: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.icon-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.icon-row span {
  padding: 8px 12px;
  color: var(--blue);
  border: 1px solid var(--line);
  background: var(--glass-surface);
  font-size: 13px;
}

.page-hero {
  padding-top: clamp(52px, 7vw, 100px);
  padding-bottom: clamp(34px, 5vw, 66px);
}

.page-hero h1 {
  max-width: 860px;
}

.collection-list,
.concern-list {
  display: grid;
  gap: 18px;
  padding-bottom: 70px;
}

.collection-list article,
.concern-list article {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 24px;
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.mini-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.timeline {
  display: grid;
  gap: 18px;
  padding-bottom: 74px;
}

.timeline article {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 28px;
  padding: 24px;
  border-top: 1px solid var(--line);
}

.timeline-step-panel {
  display: grid;
  grid-template-columns: 190px 1fr;
  align-items: center;
  gap: 28px;
  padding: 24px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.timeline article > span {
  color: rgba(6, 68, 157, .52);
  font-family: var(--font-display);
  font-size: 54px;
  font-weight: 600;
}

.timeline img {
  height: 190px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  padding-bottom: 34px;
}

.stats-panel div {
  padding: 28px 20px;
  text-align: center;
  background: var(--blue);
  color: white;
}

.stats-panel strong {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
}

.lab-grid,
.story-body,
.contact-grid,
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding-bottom: 80px;
}

.lab-grid article,
.story-body article,
.contact-grid article,
.detail-grid article,
.article-grid article {
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.image-feature,
.visual-split,
.principle-strip,
.tech-matrix,
.story-proof,
.market-voice,
.content-matrix,
.patent-wall,
.home-guide-faq {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 48px);
  padding-right: clamp(18px, 4vw, 48px);
}

.image-feature,
.visual-split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 28px;
  padding-bottom: 56px;
}

.image-feature.reverse {
  grid-template-columns: .95fr 1.05fr;
}

.image-feature.reverse img {
  order: -1;
}

.image-feature > div,
.visual-split > div {
  padding: 34px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.audience-photo {
  margin: 0;
  background: var(--glass-surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.audience-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: contain;
}

.image-feature > img,
.visual-split > img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  background: var(--soft);
  border: 1px solid var(--line);
}

.image-feature > img.contain-image,
.visual-split > img.contain-image {
  object-fit: contain;
  padding: 18px;
  background: var(--glass-surface-strong);
}

.story-origin img {
  object-position: center 28%;
}

.audience-feature > img {
  display: none;
}

.image-feature ul {
  margin: 18px 0 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.principle-strip,
.tech-matrix,
.story-proof {
  display: grid;
  gap: 16px;
  padding-bottom: 56px;
}

.principle-strip {
  grid-template-columns: repeat(3, 1fr);
}

.tech-matrix {
  grid-template-columns: repeat(4, 1fr);
}

.story-proof {
  grid-template-columns: repeat(3, 1fr);
}

.home-guide-faq {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 28px;
  padding-top: 18px;
  padding-bottom: 58px;
}

.guide-faq-head {
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.guide-faq-copy {
  padding-bottom: 18px;
}

.guide-faq-head h2 {
  margin-bottom: 14px;
}

.guide-faq-head p:not(.eyebrow) {
  color: var(--muted);
}

.guide-faq-head a {
  display: inline-flex;
  margin-top: 10px;
  color: var(--blue);
  font-weight: 800;
}

.guide-faq-figure {
  margin: 0;
  height: clamp(220px, 20vw, 300px);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass-surface-strong);
}

.guide-faq-figure img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center;
}

.guide-faq-list {
  display: grid;
  align-content: start;
  gap: 10px;
}

.home-guide-faq details {
  background: var(--white);
}

.home-guide-faq summary {
  padding-bottom: 10px;
}

.home-guide-faq details p {
  padding-top: 0;
  padding-bottom: 20px;
  line-height: 1.75;
  border-top: 1px solid rgba(6, 68, 157, .08);
}

.principle-strip article,
.tech-matrix article,
.story-proof article {
  padding: 24px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
}

.principle-strip span,
.story-proof strong {
  display: block;
  color: var(--blue);
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.1;
  font-weight: 600;
}

.story-proof strong {
  font-size: 48px;
}

.principle-strip p,
.tech-matrix p,
.story-proof p,
.image-feature p,
.visual-split p {
  color: var(--muted);
}

.market-voice {
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(480px, 1.04fr);
  gap: 20px;
  align-items: start;
  padding-bottom: 22px;
}

.market-board {
  margin: 0;
  margin-top: clamp(36px, 4vw, 72px);
  padding: clamp(10px, 1.4vw, 16px);
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

.market-board img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

.market-content {
  display: grid;
  gap: 10px;
}

.market-copy,
.market-cards article {
  border: 1px solid var(--line);
  background: var(--soft);
}

.market-copy {
  padding: clamp(18px, 2.8vw, 34px) clamp(12px, 2vw, 24px) clamp(10px, 1.5vw, 16px);
  background: transparent;
  border: 0;
  backdrop-filter: none;
}

.market-copy h2 {
  max-width: 10.5em;
  margin-bottom: 26px;
  font-size: clamp(46px, 4.1vw, 72px);
  line-height: 1.18;
  font-weight: 500;
}

.market-copy h2 span,
.audience-feature h2 span {
  color: var(--blue);
}

.market-copy p {
  max-width: 760px;
  margin: 0;
  color: rgba(17, 24, 39, .88);
  font-size: clamp(17px, 1.2vw, 22px);
  line-height: 1.85;
}

.market-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.market-cards article {
  min-height: 138px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 12px;
  background: var(--glass-surface);
}

.market-cards strong {
  color: var(--blue);
  font-family: var(--font-display);
  font-size: clamp(28px, 2vw, 36px);
  line-height: 1;
  white-space: nowrap;
  font-weight: 600;
}

.market-cards h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.25;
  word-break: keep-all;
}

.market-cards p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.patent-wall {
  padding-bottom: 64px;
}

.content-matrix {
  display: grid;
  grid-template-columns: minmax(360px, .84fr) minmax(0, 1.16fr);
  gap: clamp(24px, 2.6vw, 40px);
  align-items: center;
  padding-top: 12px;
  padding-bottom: 64px;
}

.content-copy {
  min-width: 0;
  display: grid;
  align-content: center;
}

.content-copy h2 {
  max-width: 640px;
  margin: 0 0 22px;
  font-size: clamp(30px, 2.45vw, 46px);
  line-height: 1.28;
  font-weight: 500;
}

.content-copy h2 span {
  color: var(--blue);
  white-space: nowrap;
}

.content-copy > p:not(.eyebrow) {
  max-width: 560px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(17px, 1.1vw, 20px);
  line-height: 1.85;
}

.content-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(28px, 3.5vw, 48px);
}

.content-metrics article {
  min-width: 0;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

.content-metrics strong {
  display: block;
  color: var(--blue);
  font-family: var(--font-display);
  font-size: clamp(42px, 3.9vw, 76px);
  line-height: 1;
  font-weight: 600;
  white-space: nowrap;
}

.content-metrics p {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
}

.content-metrics span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.content-board {
  margin: 0;
}

.content-board img {
  display: block;
  width: 100%;
  height: auto;
}

.audience-feature > div {
  padding: clamp(18px, 2.8vw, 34px) clamp(12px, 2vw, 24px) clamp(10px, 1.5vw, 16px);
  background: transparent;
  border: 0;
  backdrop-filter: none;
}

.audience-feature h2 {
  max-width: 10.5em;
  margin-bottom: 28px;
  font-size: clamp(44px, 4vw, 70px);
  line-height: 1.16;
  font-weight: 500;
}

.audience-feature p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: rgba(17, 24, 39, .88);
  font-size: clamp(17px, 1.15vw, 22px);
  line-height: 1.9;
}

.patent-wall .section-head {
  padding-left: 0;
  padding-right: 0;
  padding-top: 8px;
}

.patent-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 1.4vw, 20px);
  align-items: start;
  background: transparent;
}

.patent-card {
  flex: 0 1 calc((100% - 5 * clamp(12px, 1.4vw, 20px)) / 6);
  margin: 0;
  min-width: 0;
}

.patent-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(6, 68, 157, .13);
  box-shadow: 0 10px 24px rgba(6, 43, 99, .12);
}

@media (max-width: 960px) {
  .patent-card {
    flex-basis: calc((100% - 3 * clamp(12px, 1.4vw, 20px)) / 4);
  }
}

@media (max-width: 640px) {
  .patent-grid {
    gap: 12px;
  }

  .patent-card {
    flex-basis: calc((100% - 12px) / 2);
  }

  .patent-wall-home .patent-grid {
    gap: 8px;
  }

  .patent-wall-home .patent-card {
    flex-basis: calc((100% - 3 * 8px) / 4);
  }
}

.tech-matrix article {
  min-height: 160px;
  background: linear-gradient(135deg, rgba(6, 68, 157, .92), rgba(99, 162, 220, .72));
  color: white;
}

.tech-matrix p {
  color: rgba(255, 255, 255, .86);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-bottom: 80px;
}

.article-grid a,
.collection-list a,
.timeline a,
.article-detail a {
  color: var(--blue);
  font-weight: 700;
}

.article-detail {
  max-width: 920px;
  padding-top: 56px;
  padding-bottom: 90px;
}

.article-detail h1 {
  font-size: clamp(36px, 5vw, 62px);
}

.meta {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 14px;
}

.takeaways,
.article-detail section {
  margin-bottom: 34px;
}

.takeaways {
  padding: 24px;
  background: var(--soft);
  border-left: 4px solid var(--blue);
}

.faq-list {
  display: grid;
  gap: 12px;
  padding-bottom: 80px;
}

details {
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
}

details p {
  padding: 0 22px 18px;
  color: var(--muted);
}

.consult-layout {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 28px;
  padding-bottom: 90px;
}

.consult-layout > div {
  padding: 30px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.qr-panel,
.desktop-qr {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.qr-panel {
  grid-template-columns: repeat(3, 1fr);
}

.desktop-qr {
  grid-template-columns: 1fr 180px 180px;
  align-items: center;
  margin-bottom: 72px;
  padding-top: 30px;
  padding-bottom: 30px;
  background: var(--soft);
  border: 1px solid var(--line);
}

figure {
  margin: 0;
  text-align: center;
}

figure img {
  width: 180px;
  margin: 0 auto;
}

figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.product-detail {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: clamp(24px, 4vw, 54px);
  align-items: stretch;
  padding: clamp(36px, 6vw, 86px) clamp(18px, 4vw, 48px);
  border-bottom: 1px solid rgba(6, 68, 157, .08);
}

.product-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
  padding: clamp(24px, 3vw, 40px);
}

.product-media img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-info h1 {
  margin-bottom: 14px;
  font-size: clamp(36px, 4.6vw, 60px);
}

.product-info > .eyebrow {
  margin-bottom: 14px;
  font-size: 14px;
  letter-spacing: .12em;
}

.claim {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: clamp(22px, 2.2vw, 30px);
  font-family: var(--font-display);
  font-weight: 600;
}

.product-info > p:not(.eyebrow):not(.claim) {
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.8;
}

dl {
  display: grid;
  grid-template-columns: repeat(3, auto 1fr);
  gap: 12px 16px;
  margin: 28px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--soft);
}

dt {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

dd {
  margin: 0;
  font-weight: 700;
}

.desktop-buy {
  margin-top: 24px;
  padding: 20px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
}

.desktop-buy > p {
  margin-bottom: 12px;
  font-weight: 800;
}

.desktop-buy > div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.desktop-buy small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.product-section-head {
  display: block;
  padding-top: 12px;
  padding-bottom: 14px;
}

.product-section-head > div {
  display: grid;
  justify-items: start;
  gap: 4px;
}

.product-section-head .eyebrow {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .12em;
}

.product-section-head h2 {
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.12;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 18px;
  padding-bottom: 12px;
}

.detail-grid article {
  min-height: 186px;
  padding: 24px 24px 22px;
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

.detail-grid article h2 {
  margin-bottom: 14px;
  font-size: 28px;
}

.detail-grid article p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.benefit-section {
  padding-top: 2px;
  padding-bottom: 34px;
}

.product-data-block {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px) 42px;
}

.product-data-block .section-head,
.product-gallery .section-head {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.data-hero,
.data-panel {
  padding: 24px 26px;
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

.data-panel + .data-panel,
.data-hero + .data-panel {
  margin-top: 18px;
}

.data-hero h3,
.data-panel-head h3 {
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.25;
}

.data-points {
  display: grid;
  gap: 8px;
}

.data-points p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.data-panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 16px;
  align-items: end;
  margin-bottom: 18px;
}

.data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.data-tags span {
  padding: 8px 12px;
  color: var(--blue);
  background: rgba(6, 68, 157, .08);
  border: 1px solid rgba(6, 68, 157, .12);
  font-size: 13px;
  font-weight: 700;
}

.data-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 14px;
}

.data-stat-grid article {
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--glass-surface);
}

.data-stat-grid strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.05;
  font-weight: 600;
  font-family: var(--font-display);
}

.data-stat-grid span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.data-stat-grid.market strong {
  font-size: clamp(24px, 2.4vw, 36px);
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.benefit-list p {
  margin: 0;
  min-height: 128px;
  padding: 22px 22px 20px;
  background: var(--glass-surface);
  border: 1px solid var(--line);
  font-size: 17px;
  line-height: 1.7;
  display: flex;
  align-items: center;
}

.product-gallery {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px) 70px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  gap: 16px;
}

.gallery-grid img {
  width: 100%;
  height: 248px;
  object-fit: contain;
  object-position: center center;
  background: var(--glass-surface-strong);
  border: 1px solid var(--line);
  padding: 14px;
}

.gallery-grid img:first-child {
  height: 512px;
  grid-column: span 2;
  grid-row: span 2;
  padding: 18px;
}

.sitemap-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-bottom: 80px;
}

.sitemap-list a {
  padding: 14px 16px;
  color: var(--blue);
  border: 1px solid var(--line);
}

.floating-shop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 15;
  display: grid;
  gap: 8px;
}

.floating-shop a {
  padding: 10px 12px;
  color: white;
  background: var(--blue);
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(6, 68, 157, .18);
}

.floating-top {
  display: block;
  text-align: center;
  background: var(--blue-deep) !important;
  opacity: 1;
  pointer-events: auto;
  transition: opacity .2s ease, transform .2s ease;
}

.floating-top.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(440px, 1.1fr) minmax(180px, .45fr) minmax(500px, 1.2fr);
  align-items: center;
  gap: 28px;
  padding: 22px clamp(18px, 4vw, 64px);
  color: #081f45;
  background: var(--nav-surface);
  border-top: 1px solid rgba(6, 68, 157, .24);
  backdrop-filter: blur(16px) saturate(1.08);
}

.site-footer a {
  display: block;
  margin-bottom: 8px;
}

.site-footer p {
  margin-bottom: 6px;
  color: #294c79;
}

.footer-links {
  margin-top: 14px;
  padding-top: 0;
  border-top: 0;
}

.footer-links p {
  margin: 0 0 8px;
  color: #0b2851;
  font-weight: 700;
}

.official-channels {
  grid-column: auto;
  grid-row: auto;
  align-self: start;
  max-width: none;
  padding: 14px 0 0;
}

.official-channels-head {
  display: block;
}

.official-channels-head .eyebrow {
  margin: 0;
  font-size: 10px;
}

.official-channels-head h2 {
  margin: 2px 0 0;
  color: #081f45;
  font-size: 17px;
}

.official-channel-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 6px;
}

.official-channel-card {
  margin: 0;
  padding: 0;
  text-align: center;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.official-channel-card img {
  width: 100%;
  max-width: 92px;
  margin: 0 auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.official-channel-card figcaption {
  margin-top: 3px;
  color: #0b2851;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.35;
}

.site-footer > div:nth-of-type(1),
.site-footer > div:nth-of-type(2) {
  justify-self: end;
  width: fit-content;
}

@media (min-width: 1081px) {
  .site-footer > div:nth-of-type(2) {
    justify-self: start;
    width: 100%;
    max-width: 440px;
    min-width: 0;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 1080px) {
  .official-channels {
    grid-column: auto;
    grid-row: auto;
    max-width: none;
  }

  .site-footer > div:nth-of-type(1),
  .site-footer > div:nth-of-type(2) {
    justify-self: stretch;
    width: auto;
  }

  .home-hero,
  .product-detail,
  .consult-band,
  .consult-layout,
  .collection-list article,
  .concern-list article,
  .image-feature,
  .image-feature.reverse,
  .visual-split,
  .market-voice,
  .content-matrix,
  .home-guide-faq {
    grid-template-columns: 1fr;
  }

  .product-detail {
    gap: 22px;
  }

  .product-media {
    min-height: 0;
    padding: 24px;
  }

  .product-info h1 {
    font-size: clamp(34px, 5vw, 48px);
  }

  .guide-faq-head {
    grid-template-rows: auto 260px;
  }

  .market-copy h2 {
    max-width: 12em;
  }

  .content-copy h2,
  .content-copy > p:not(.eyebrow) {
    max-width: none;
  }

  .content-metrics {
    max-width: 680px;
  }

  .hero-products,
  .featured-products,
  .product-grid,
  .routine-grid,
  .concern-strip,
  .studio-grid,
  .stats-panel,
  .article-grid,
  .principle-strip,
  .tech-matrix,
  .story-proof,
  .market-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-grid,
  .benefit-list {
    gap: 14px;
  }

  .image-feature.reverse img {
    order: 0;
  }

  .visual-split > img.lab-mobile-contain {
    height: auto;
    min-height: 0;
    object-fit: contain;
  }

  .hero-visual {
    min-height: 0;
  }

  .hero-model {
    height: 100%;
    min-height: 0;
  }

  .site-header {
    grid-template-columns: auto auto;
  }

  .menu-toggle {
    justify-self: end;
    display: inline-flex;
    padding: 8px 12px;
    border: 1px solid var(--line);
    background: var(--glass-surface);
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: start;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 6px;
  }

  .site-nav:not(.is-open) {
    display: none;
  }

  .header-consult {
    display: none;
  }

  .header-consult.mobile-wechat-link {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .site-header {
    min-height: 64px;
    padding: 10px 16px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .home-hero {
    min-height: auto;
    padding: 24px 12px 18px;
  }

  .product-info > p:not(.eyebrow):not(.claim) {
    font-size: 16px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-slider {
    height: 360px;
    min-height: 360px;
  }

  .slide-caption {
    left: 14px;
    right: 14px;
    bottom: 14px;
    max-width: none;
    padding: 14px;
  }

  .slide-caption h2 {
    font-size: 23px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-copy .hero-eyebrow {
    margin-bottom: 12px;
    font-size: 15px;
    letter-spacing: .05em;
  }

  .hero-copy .hero-subcopy {
    margin-top: 4px;
    font-size: 18px;
    line-height: 1.55;
  }

  .hero-actions {
    gap: 12px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-products,
  .product-grid,
  .featured-products,
  .routine-grid,
  .concern-strip,
  .studio-grid,
  .stats-panel,
  .lab-grid,
  .story-body,
  .contact-grid,
  .detail-grid,
  .article-grid,
  .principle-strip,
  .tech-matrix,
  .story-proof,
  .market-cards,
  .benefit-list,
  .gallery-grid,
  .sitemap-list,
  .mini-row,
  .qr-panel,
  .desktop-qr,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .market-board {
    margin-top: 0;
    padding: 10px;
  }

  .market-board img {
    max-height: 420px;
  }

  .patent-wall .section-head {
    padding-top: 28px;
  }

  .studio-grid article:nth-child(2) {
    margin-top: 0;
  }

  .studio-grid article,
  .studio-grid img,
  .image-feature > img,
  .visual-split > img,
  .gallery-grid img,
  .gallery-grid img:first-child {
    height: auto;
    min-height: 320px;
  }

  .stats-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .official-channels-head {
    display: block;
  }

  .official-channels-head h2 {
    margin-top: 4px;
    font-size: 22px;
  }

  .official-channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    margin-top: 8px;
  }

  .official-channel-card {
    padding: 0;
  }

  .official-channel-card img {
    max-width: 70px;
  }

  .official-channel-card figcaption {
    font-size: 12px;
  }

  .product-data-block {
    padding-bottom: 38px;
  }

  .data-hero,
  .data-panel {
    padding: 18px;
  }

  .data-stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-media {
    padding: 18px;
  }

  .product-section-head h2,
  .detail-grid article h2 {
    font-size: 24px;
  }

  .data-hero h3,
  .data-panel-head h3 {
    font-size: 24px;
  }

  .product-section-head {
    padding-top: 4px;
  }

  dl {
    grid-template-columns: auto 1fr;
  }

  .detail-grid article {
    min-height: 0;
    padding: 20px;
  }

  .benefit-list p {
    min-height: 0;
    padding: 18px;
    font-size: 16px;
  }

  .image-feature,
  .visual-split,
  .principle-strip,
  .tech-matrix,
  .story-proof,
  .market-voice,
  .content-matrix,
  .patent-wall {
    padding-bottom: 34px;
  }

  .image-feature > div,
  .visual-split > div,
  .principle-strip article,
  .tech-matrix article,
  .story-proof article,
  .market-copy,
  .market-cards article {
    padding: 20px;
  }

  .audience-photo img {
    max-height: none;
  }

  .market-cards article {
    min-height: 190px;
  }

  .content-metrics {
    grid-template-columns: 1fr;
  }

  .market-board img {
    max-height: 520px;
  }

  .mini-product {
    min-height: 220px;
  }

  .mini-product img,
  .routine-grid img {
    height: 170px;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
    padding-top: 52px;
  }

  .timeline article {
    grid-template-columns: 1fr;
  }

  .timeline-step-panel {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .timeline img {
    width: 100%;
  }

  .desktop-qr {
    display: none;
  }

  .desktop-buy {
    display: none;
  }

  .mobile-buy {
    display: grid;
    grid-template-columns: 1fr;
  }

  .floating-shop {
    right: 12px;
    bottom: 84px;
    gap: 8px;
  }

  .floating-shop a:not(.mobile-wechat-link):not(.floating-top) {
    display: none;
  }

  .floating-shop .desktop-consult-link {
    display: none;
  }

  .floating-shop a.mobile-wechat-link {
    display: flex;
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .menu-toggle {
    min-height: 42px;
    padding: 8px 18px;
    color: var(--ink);
    font-size: 18px;
    font-weight: 600;
  }

  .site-nav.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    width: 100%;
    overflow: visible;
    padding: 0;
    background: rgba(232, 245, 254, .96);
    border: 1px solid rgba(6, 68, 157, .24);
  }

  .site-nav.is-open a {
    min-height: 48px;
    padding: 12px 14px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    color: var(--blue-deep);
    font-size: 15px;
    font-weight: 700;
  }

  .site-nav.is-open a[aria-current="page"] {
    color: var(--blue);
    background: rgba(6, 68, 157, .08);
    box-shadow: inset 0 0 0 1px rgba(6, 68, 157, .12);
  }

  .site-nav.is-open a:nth-child(2n) {
    border-right: 0;
  }

  .header-consult,
  .header-consult.mobile-wechat-link {
    display: none;
  }

  .breadcrumbs {
    display: none;
  }

  .home-hero {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 0 0 22px;
    background: transparent;
  }

  .hero-visual {
    order: 2;
    width: 100%;
    gap: 0;
    padding: 0 6px;
  }

  .hero-copy {
    order: 1;
    max-width: none;
    padding: 18px 6px 0;
  }

  .hero-copy .eyebrow {
    margin-bottom: 8px;
  }

  .hero-copy h1 {
    max-width: none;
    margin-bottom: 14px;
    column-gap: 8px;
    row-gap: 4px;
    font-size: 36px;
    line-height: 1.04;
  }

  .hero-copy .brand-dash {
    width: 44px;
    height: .11em;
    transform: translateY(-.14em);
  }

  .hero-copy p:not(.eyebrow) {
    font-size: 14px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .gallery-grid img,
  .gallery-grid img:first-child {
    height: auto;
    min-height: 0;
    padding: 0;
    aspect-ratio: 1 / 1;
    object-fit: cover;
  }

  .gallery-grid img:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 4 / 5;
  }

  .data-stat-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 20px;
  }

  .hero-actions .btn {
    min-width: 0;
    min-height: 58px;
    padding: 10px 8px;
    font-size: 16px;
  }

  .market-cards article {
    min-height: 150px;
    padding: 16px;
    gap: 8px;
  }

  .hero-slider {
    aspect-ratio: 1.42 / 1;
    height: auto;
    min-height: 0;
    border: 0;
    background: var(--glass-surface-strong);
  }

  .hero-model {
    object-fit: cover;
    object-position: center center;
  }

  .hero-slide:nth-child(1) .hero-model {
    object-position: center center;
  }

  .slide-caption {
    left: 8px;
    right: auto;
    bottom: 8px;
    width: auto;
    width: max-content;
    max-width: calc(100% - 16px);
    padding: 4px 5px;
    background: var(--glass-surface-strong);
    border-color: rgba(6, 68, 157, .1);
    box-shadow: 0 10px 24px rgba(7, 29, 65, .08);
  }

  .slide-caption span {
    font-size: 10px;
    white-space: nowrap;
  }

  .slide-caption h2 {
    margin: 1px 0 2px;
    font-size: 11px;
    line-height: 1.15;
    white-space: nowrap;
  }

  .slide-caption p {
    display: none;
  }

  .icon-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
  }

  .icon-row span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 8px;
    text-align: center;
  }

  .hero-products {
    display: flex;
    grid-template-columns: none;
    gap: 10px;
    margin-top: -1px;
    padding: 12px 16px 4px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    background: transparent;
    border-top: 0;
    -webkit-overflow-scrolling: touch;
  }

  .hero-products::-webkit-scrollbar,
  .featured-products::-webkit-scrollbar,
  .routine-grid::-webkit-scrollbar {
    display: none;
  }

  .hero-thumb-card {
    flex: 0 0 42vw;
    min-height: 178px;
    padding: 10px;
    scroll-snap-align: start;
    background: var(--nav-surface);
    border-top-color: transparent;
  }

  .hero-thumb-card .hero-thumb {
    min-height: 124px;
    padding: 0;
    box-shadow: none;
  }

  .hero-thumb img {
    height: 88px;
  }

  .hero-thumb span {
    min-height: 38px;
    font-size: 13px;
    line-height: 1.35;
  }

  .hero-thumb-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    color: white;
    background: #071d41;
    font-size: 13px;
    font-weight: 700;
  }

  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 10px 16px 0;
    background: var(--glass-surface);
  }

  .carousel-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #b8bec8;
  }

  .carousel-dot.is-active {
    background: #071d41;
  }

  .featured-products,
  .routine-grid {
    display: flex;
    grid-template-columns: none;
    gap: 12px;
    max-width: none;
    padding-left: 16px;
    padding-right: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .featured-products .product-card {
    flex: 0 0 72vw;
    scroll-snap-align: start;
  }

  .featured-products .product-card a {
    min-height: 100%;
  }

  .featured-products .product-card img {
    aspect-ratio: 1 / .9;
    max-height: 220px;
  }

  .routine-grid article {
    flex: 0 0 68vw;
    min-height: 310px;
    scroll-snap-align: start;
    background: var(--glass-surface);
  }

  .routine-grid img {
    height: 160px;
  }

  .concern-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 30px;
  }

  .concern-strip a {
    min-height: 108px;
    padding: 14px;
  }

  .concern-strip span {
    margin-bottom: 16px;
    font-size: 17px;
    line-height: 1.2;
  }

  .concern-strip p {
    font-size: 12px;
    line-height: 1.45;
  }

  .studio-grid {
    gap: 14px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .studio-grid article {
    min-height: 360px;
  }

  .studio-grid img {
    min-height: 360px;
  }

  .studio-grid div {
    left: auto;
    right: 12px;
    bottom: 12px;
    width: min(74%, 280px);
    padding: 12px;
    background: var(--glass-surface-strong);
  }

  .studio-grid h3 {
    margin-bottom: 4px;
    font-size: 20px;
  }

  .studio-grid p {
    font-size: 13px;
    line-height: 1.55;
  }

  .consult-band img {
    display: none;
  }

  .floating-shop a.mobile-wechat-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    min-height: 54px;
    padding: 7px;
    text-align: center;
    color: white;
    background: var(--blue);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.28;
  }

  .floating-shop .floating-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    min-height: 56px;
    padding: 7px;
    color: white;
    background: #071d41;
    border-radius: 10px;
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.2;
  }

  .section-head {
    gap: 10px;
    padding-top: 44px;
    padding-bottom: 16px;
  }

  .section-head > a {
    align-self: flex-start;
  }
}

@media (min-width: 721px) {
  .floating-shop .mobile-wechat-link {
    display: none;
  }
}

@media (min-width: 721px) {
  .product-info .mobile-buy:not(.always) {
    display: none;
  }
}