:root {
  --brand: #005baa;
  --brand-dark: #003b79;
  --brand-deep: #002f6c;
  --brand-sky: #e8f5ff;
  --cyan: #00a7df;
  --ink: #102033;
  --muted: #64748b;
  --soft: #f4f8fc;
  --surface: #ffffff;
  --line: #dce8f3;
  --line-strong: #bed5e8;
  --success: #0f9f75;
  --shadow-sm: 0 8px 22px rgba(0, 55, 110, 0.08);
  --shadow-md: 0 18px 44px rgba(0, 55, 110, 0.12);
  --shadow-lg: 0 30px 80px rgba(0, 40, 90, 0.18);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 78% 0%, rgba(0, 114, 206, 0.12), transparent 320px),
    linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

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

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

h1,
h2,
h3,
.product-model,
.featured-model {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: -0.035em;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 91, 170, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 91, 170, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 620px);
}

.page-shell {
  width: min(1380px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 60px;
}

.hero,
.section,
.footer {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.section,
.footer {
  margin-top: 24px;
  padding: 34px;
}

.hero {
  min-height: auto;
  color: #fff;
  background:
    radial-gradient(circle at 72% 22%, rgba(191, 229, 255, 0.22), transparent 340px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(120deg, #002f6c 0%, #005baa 48%, #0096d6 100%);
  background-size: auto, 72px 72px, auto;
  box-shadow: var(--shadow-lg);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero::before {
  right: -220px;
  top: -260px;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.hero::after {
  left: -260px;
  bottom: -380px;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.035);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: 154px;
  height: auto;
  padding: 10px 18px;
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(0, 28, 74, 0.22);
}

.brand-lockup strong {
  display: block;
  margin-top: 5px;
  color: #fff;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover {
  color: #fff;
}

.eyebrow,
.hero-kicker,
.section-kicker,
.mini-label,
.panel-title,
.product-category,
.product-slide,
.band-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero .eyebrow,
.hero .hero-kicker,
.hero .band-label,
.hero .panel-title {
  color: rgba(255, 255, 255, 0.74);
}

.domain-pill,
.primary-btn,
.secondary-btn,
.featured-link,
.product-link,
.filter-btn,
.stage-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 21px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.domain-pill {
  color: var(--brand);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0, 35, 82, 0.18);
}

.primary-btn {
  color: #fff;
  border: 0;
  background: var(--brand);
  box-shadow: 0 14px 30px rgba(0, 91, 170, 0.22);
}

.secondary-btn,
.product-link {
  color: var(--brand);
  border: 1px solid var(--line-strong);
  background: #fff;
}

.hero .primary-btn {
  color: var(--brand);
  background: #fff;
}

.hero .secondary-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.12);
}

.domain-pill:hover,
.primary-btn:hover,
.secondary-btn:hover,
.featured-link:hover,
.product-link:hover,
.filter-btn:hover,
.stage-link:hover {
  transform: translateY(-2px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.88fr) minmax(520px, 1fr);
  min-height: 500px;
  gap: 30px;
  align-items: stretch;
  padding: 44px 42px 38px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 680px;
  padding-bottom: 0;
}

.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  color: #fff;
  font-size: clamp(54px, 5.8vw, 88px);
  line-height: 0.96;
}

.hero h1 span:first-child {
  font-size: 0.86em;
  opacity: 0.98;
}

.hero-subtitle {
  max-width: 34em;
  margin-top: 24px;
  color: rgba(239, 248, 255, 0.9);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 700;
}

.hero-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-band > div {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-band strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-size: 18px;
  line-height: 1.35;
}

.hero-showcase {
  min-width: 0;
}

.hero-stage {
  position: relative;
  height: 100%;
  min-height: 450px;
  overflow: hidden;
  display: flex;
  align-items: stretch;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.07)),
    radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.2), transparent 280px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.hero-stage-rings,
.hero-stage-rings::before,
.hero-stage-rings::after {
  display: none;
}

.hero-stage-rings {
  right: -60px;
  top: -40px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.hero-stage-rings::before,
.hero-stage-rings::after {
  content: "";
  inset: 74px;
  border: 1px solid rgba(255, 255, 255, 0.11);
}

.hero-stage-rings::after {
  inset: 154px;
  border-color: rgba(255, 255, 255, 0.09);
}

.hero-price-badge {
  display: none;
}

.hero-price-badge span,
.hero-price-badge strong {
  display: block;
}

.hero-price-badge span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero-price-badge strong {
  margin-top: 8px;
  font-size: 34px;
  line-height: 1;
}

.hero-stage-panel {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 38px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(180deg, rgba(0, 47, 108, 0.38), rgba(0, 47, 108, 0.12));
  box-shadow: none;
  backdrop-filter: blur(16px);
}

.hero-stage-panel h2 {
  max-width: none;
  margin-top: 12px;
  color: #fff;
  font-size: clamp(36px, 4vw, 58px);
  line-height: 1.08;
}

.hero-stage-summary {
  max-width: 38em;
  margin-top: 18px;
  color: rgba(239, 248, 255, 0.88);
  line-height: 1.8;
}

.hero-stage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
  margin-top: 26px;
}

.hero-stage-grid article {
  min-height: 104px;
  padding: 19px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.11);
  min-width: 0;
}

.stage-number,
.stage-label {
  display: block;
}

.stage-number {
  color: #fff;
  font-size: clamp(24px, 2.1vw, 31px);
  font-weight: 900;
  line-height: 1.05;
}

.hero-stage-grid article:nth-child(4) .stage-label {
  font-size: 11px;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.stage-label {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero-stage-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-stage-notes span {
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
}

.hero-stage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-contact-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.hero-contact-strip > div {
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-contact-strip span,
.hero-contact-strip strong,
.hero-contact-strip a {
  display: block;
}

.hero-contact-strip span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.hero-contact-strip strong {
  margin-top: 7px;
  color: #fff;
  font-size: 20px;
}

.hero-contact-strip a {
  margin-top: 4px;
  color: rgba(239, 248, 255, 0.88);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.hero-stage-panel .featured-link {
  color: var(--brand);
  background: #fff;
}

.stage-link {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.12);
}

.blue-overview-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 0.9fr);
  gap: 28px;
  align-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
}

.blue-overview-section .section-kicker,
.blue-overview-section h2 {
  color: #fff;
}

.blue-overview-section .section-kicker {
  opacity: 0.74;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.launch-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(440px, 1fr);
  gap: 30px;
  align-items: stretch;
  color: #fff;
  background:
    radial-gradient(circle at 78% 18%, rgba(133, 216, 255, 0.34), transparent 290px),
    linear-gradient(135deg, #002f6c, #0067bc 52%, #00a0d6);
  box-shadow: var(--shadow-lg);
}

.launch-section .section-kicker {
  color: rgba(255, 255, 255, 0.72);
}

.launch-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.launch-pill {
  width: fit-content;
  margin-top: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--brand);
  background: #fff;
  font-weight: 900;
}

.launch-copy h2 {
  max-width: 9em;
  color: #fff;
  font-size: clamp(40px, 5vw, 70px);
}

.launch-copy p:not(.section-kicker) {
  max-width: 38em;
  margin-top: 20px;
  color: rgba(239, 248, 255, 0.9);
  font-size: 18px;
  line-height: 1.8;
}

.launch-price-card {
  width: fit-content;
  margin-top: 26px;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
}

.launch-price-card span,
.launch-price-card strong {
  display: block;
}

.launch-price-card span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.launch-price-card strong {
  margin-top: 7px;
  color: #fff;
  font-size: 44px;
  line-height: 1;
}

.launch-section .primary-btn {
  color: var(--brand);
  background: #fff;
}

.launch-section .secondary-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.1);
}

.launch-visual {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06)),
    radial-gradient(circle at 50% 92%, rgba(0, 35, 82, 0.24), transparent 210px);
}

.launch-orbit {
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.launch-gallery {
  position: absolute;
  inset: 0;
}

.launch-image {
  position: absolute;
  width: min(92%, 720px);
  height: 470px;
  object-fit: contain;
  filter: drop-shadow(0 26px 34px rgba(0, 35, 82, 0.24));
}

.launch-gallery.is-single .launch-image {
  left: 50%;
  top: 47%;
  transform: translate(-50%, -50%) scale(1.12);
}

.launch-image-1 {
  left: 5%;
  top: 18%;
}

.launch-image-2 {
  left: 31%;
  top: 8%;
}

.launch-image-3 {
  right: 4%;
  top: 25%;
}

.launch-tags {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.launch-tags span {
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
}

.metric {
  padding: 22px;
  border: 1px solid rgba(0, 91, 170, 0.1);
  border-radius: 22px;
  background: #fff;
}

.metric strong {
  display: block;
  color: var(--brand);
  font-size: 34px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 700;
}

.section-heading {
  max-width: 740px;
}

.split-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.split-header .section-desc {
  max-width: 420px;
  padding-top: 22px;
}

h2 {
  margin-top: 10px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
}

h3 {
  font-size: 22px;
}

.section-desc,
.hero-stage-summary,
.advantage-card p,
.category-desc,
.info-card p,
.about-copy p,
.contact-card span,
.detail-list,
.product-highlights,
.detail-page-summary,
.detail-page-section ul,
.cta-copy p:last-child,
.product-category-header p:last-child {
  color: var(--muted);
  line-height: 1.78;
}

.hero .hero-stage-summary {
  color: rgba(239, 248, 255, 0.9);
}

.category-showcase,
.advantage-grid,
.featured-grid,
.process-grid,
.about-grid {
  display: grid;
  gap: 18px;
}

.category-showcase {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 26px;
}

.category-card,
.advantage-card,
.info-card,
.process-card,
.contact-card,
.catalog-toolbar,
.product-card,
.featured-card,
.product-category-section,
.related-card {
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.category-card {
  min-height: 178px;
  padding: 24px;
  border-radius: 26px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.category-card:hover,
.product-card:hover,
.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-card strong {
  display: block;
  margin-top: 14px;
  color: var(--brand);
  font-size: 30px;
}

.category-card p:last-child {
  margin-top: 12px;
}

.advantage-grid,
.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 26px;
}

.advantage-card,
.process-card,
.info-card {
  padding: 26px;
  border-radius: 26px;
}

.advantage-card span,
.process-card span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  color: #fff;
  background: var(--brand);
  font-weight: 900;
}

.advantage-card h3,
.process-card h3,
.info-card h3 {
  margin-top: 18px;
}

.advantage-card p,
.process-card p,
.info-card p,
.about-copy p {
  margin-top: 12px;
}

.featured-section {
  background:
    radial-gradient(circle at 92% 0%, rgba(0, 150, 214, 0.08), transparent 260px),
    #fff;
}

.featured-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 26px;
}

.featured-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 28px;
}

.featured-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  padding: 25px;
}

.featured-pin,
.product-hot-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 11px;
  border-radius: 999px;
  color: #fff;
  background: var(--success);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.featured-model {
  margin-top: 8px;
  font-size: 32px;
  line-height: 1;
}

.featured-price,
.product-price {
  color: var(--brand);
  font-weight: 900;
}

.featured-price {
  margin-top: 8px;
  font-size: 18px;
}

.featured-summary {
  flex: 1;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.72;
}

.featured-link {
  align-self: flex-start;
  margin-top: 16px;
  color: #fff;
  border: 0;
  background: var(--brand);
}

.featured-image-wrap {
  position: relative;
  display: grid;
  order: -1;
  height: 370px;
  overflow: hidden;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 50% 78%, rgba(0, 0, 0, 0.08), transparent 96px),
    linear-gradient(180deg, #f6fbff, #fff);
}

#detail-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.featured-image {
  position: absolute;
  inset: 28px;
  display: block;
  width: calc(100% - 56px);
  height: calc(100% - 56px);
  object-fit: contain;
}

.catalog-toolbar {
  margin-top: 26px;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fff, #f6fbff);
}

.catalog-toolbar input {
  width: 100%;
  height: 54px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.catalog-toolbar input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(0, 91, 170, 0.1);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.filter-btn {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--brand);
  background: #fff;
}

.filter-btn.is-active {
  color: #fff;
  border-color: transparent;
  background: var(--brand);
}

.product-grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.product-category-section {
  padding: 26px;
  border-radius: 30px;
  background: #f8fbfe;
}

.product-category-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.product-category-header h3 {
  margin-top: 8px;
  font-size: 34px;
}

.product-category-header p:last-child {
  max-width: 720px;
  margin-top: 9px;
}

.category-count-badge {
  display: grid;
  min-width: 112px;
  height: 112px;
  place-items: center;
  border-radius: 24px;
  color: #fff;
  background: var(--brand);
}

.category-count-badge strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.category-count-badge span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 800;
}

.category-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category-more-bar {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.product-card {
  position: relative;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border-radius: 26px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-hitarea {
  position: absolute;
  inset: 0;
  z-index: 1;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.product-image-wrap {
  position: relative;
  display: grid;
  height: 370px;
  overflow: hidden;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 50% 78%, rgba(0, 0, 0, 0.07), transparent 96px),
    linear-gradient(180deg, #f7fbff, #fff);
}

.product-image {
  position: absolute;
  inset: 28px;
  display: block;
  width: calc(100% - 56px);
  height: calc(100% - 56px);
  object-fit: contain;
}

.featured-image-wrap.has-variants,
.product-image-wrap.has-variants {
  display: block;
}

.featured-image-wrap.has-variants .featured-image,
.product-image-wrap.has-variants .product-image {
  position: absolute;
  object-fit: contain;
  pointer-events: none;
  filter: drop-shadow(0 18px 22px rgba(0, 35, 82, 0.12));
}

.featured-image-wrap.has-variants .is-primary,
.product-image-wrap.has-variants .is-primary {
  left: 5%;
  top: 22%;
  z-index: 2;
  width: 43%;
  height: 55%;
}

.featured-image-wrap.has-variants .is-variant-2,
.product-image-wrap.has-variants .is-variant-2 {
  left: 31%;
  top: 10%;
  z-index: 3;
  width: 47%;
  height: 62%;
}

.featured-image-wrap.has-variants .is-variant-3,
.product-image-wrap.has-variants .is-variant-3 {
  right: 4%;
  top: 28%;
  z-index: 1;
  width: 43%;
  height: 55%;
}

.product-hot-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
}

.product-body {
  position: relative;
  z-index: 2;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.product-category,
.product-slide {
  color: var(--muted);
}

.product-model {
  margin-top: 10px;
  font-size: 30px;
  line-height: 1;
}

.product-price {
  margin-top: 11px;
  font-size: 18px;
}

.product-highlights {
  margin: 14px 0 0;
  padding-left: 18px;
}

.product-highlights li {
  color: var(--muted);
  line-height: 1.7;
}

.product-highlights li + li,
.detail-list li + li {
  margin-top: 8px;
}

.product-footer {
  margin-top: auto;
  padding-top: 17px;
}

.product-footer .product-link {
  position: relative;
  z-index: 3;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1fr);
  gap: 24px;
}

.about-grid {
  grid-template-columns: 1fr;
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
}

.cta-copy {
  max-width: 720px;
}

.cta-copy .section-kicker,
.cta-copy p:last-child {
  color: rgba(255, 255, 255, 0.8);
}

.cta-copy h2 {
  color: #fff;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cta-section .secondary-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: var(--brand-dark);
}

.footer h2,
.footer .section-kicker {
  color: #fff;
}

.contact-card {
  min-width: 410px;
  padding: 24px;
  border-radius: 24px;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
}

.contact-card p + p {
  margin-top: 16px;
}

.contact-card strong,
.contact-card span {
  display: block;
}

.contact-card span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.82);
}

.detail-drawer {
  position: fixed;
  top: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: grid;
  width: min(620px, calc(100% - 36px));
  grid-template-rows: minmax(300px, 42vh) 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateX(calc(100% + 30px));
  transition: transform 240ms ease;
}

.detail-drawer.is-open {
  transform: translateX(0);
}

.detail-media {
  padding: 30px;
  background:
    radial-gradient(circle at 50% 80%, rgba(0, 0, 0, 0.08), transparent 110px),
    linear-gradient(180deg, #f5fbff, #fff);
}

.detail-content {
  overflow: auto;
  padding: 26px 30px 32px;
}

.detail-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.detail-slide {
  margin-top: 8px;
  color: var(--muted);
}

.detail-content h2 {
  margin-top: 8px;
}

.detail-content h3 {
  margin-top: 24px;
  font-size: 18px;
}

.detail-list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.detail-price-card {
  margin-top: 22px;
  padding: 20px;
  border-radius: 20px;
  background: var(--brand-sky);
}

.detail-price-card span,
.detail-price-card strong {
  display: block;
}

.detail-price-card span {
  color: var(--muted);
  font-weight: 800;
}

.detail-price-card strong {
  margin-top: 6px;
  color: var(--brand);
  font-size: 34px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.detail-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(8, 22, 40, 0.36);
}

.floating-contact {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-md);
}

.floating-contact span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.floating-contact a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  background: var(--brand);
}

[hidden] {
  display: none !important;
}

.product-page-shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.product-page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.product-page-nav .brand-lockup {
  color: var(--ink);
}

.product-page-nav .brand-lockup strong {
  color: var(--ink);
}

.product-page-nav a {
  text-decoration: none;
}

.detail-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(460px, 0.95fr);
  gap: 28px;
  align-items: start;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.detail-page-media {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-gallery-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 76%, rgba(0, 0, 0, 0.08), transparent 150px),
    linear-gradient(180deg, #f4fbff, #fff);
}

.detail-gallery-price {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 2;
  min-width: 160px;
  padding: 15px 17px;
  border-radius: 20px;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 14px 32px rgba(0, 91, 170, 0.24);
}

.detail-gallery-price span,
.detail-gallery-price strong {
  display: block;
}

.detail-gallery-price span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.detail-gallery-price strong {
  margin-top: 6px;
  font-size: 36px;
  line-height: 1;
}

.detail-gallery-controls {
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 2;
  display: flex;
  gap: 10px;
}

.gallery-nav {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brand);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

#detail-gallery-image {
  width: 100%;
  height: 500px;
  min-height: 0;
  object-fit: contain;
  object-position: center 42%;
  transform: scale(0.86);
  transform-origin: center center;
}

.detail-color-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  cursor: pointer;
}

.color-chip.is-active {
  color: var(--brand);
  border-color: rgba(0, 91, 170, 0.36);
  box-shadow: 0 10px 24px rgba(0, 91, 170, 0.1);
}

.color-dot {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
}

.detail-page-copy {
  display: flex;
  flex-direction: column;
  padding: 8px 0;
}

.detail-page-copy h1 {
  max-width: none;
  margin-top: 12px;
  font-size: clamp(44px, 5vw, 70px);
  line-height: 0.98;
}

.detail-page-summary {
  margin-top: 18px;
  font-size: 18px;
}

.detail-page-section {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f8fbfe;
}

.detail-page-section:first-of-type {
  margin-top: 28px;
}

.detail-page-section h2 {
  margin-top: 0;
  font-size: 24px;
}

.detail-page-section ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.detail-page-section li::marker {
  color: var(--brand);
}

.related-products {
  margin-top: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.related-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px;
  border-radius: 22px;
  color: inherit;
  text-decoration: none;
}

.related-card img {
  width: 120px;
  height: 92px;
  object-fit: contain;
  border-radius: 16px;
  background: #f8fbfe;
}

.related-card strong {
  display: block;
  font-size: 22px;
}

.related-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.not-found-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 1180px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-stage {
    min-height: 460px;
  }

  .hero-stage-grid,
  .metrics,
  .featured-grid,
  .category-product-grid,
  .advantage-grid,
  .process-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-showcase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .blue-overview-section,
  .launch-section,
  .about-section,
  .detail-page-hero {
    grid-template-columns: 1fr;
  }

  .launch-visual {
    min-height: 380px;
  }

  .footer,
  .cta-section,
  .split-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-card {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 840px) {
  .page-shell,
  .product-page-shell {
    width: min(100% - 20px, 1380px);
    padding-top: 10px;
  }

  .section,
  .footer {
    padding: 22px;
    border-radius: 24px;
  }

  .hero {
    min-height: auto;
    border-radius: 0 0 28px 28px;
  }

  .topbar,
  .product-page-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero .topbar {
    padding: 22px;
  }

  .nav-links {
    display: none;
  }

  .hero-grid {
    padding: 32px 20px 26px;
  }

  .hero h1 {
    font-size: clamp(42px, 14vw, 70px);
  }

  .hero-subtitle {
    max-width: none;
    font-size: 16px;
  }

  .hero-band,
  .hero-stage-grid,
  .metrics,
  .blue-metrics,
  .category-showcase,
  .featured-grid,
  .category-product-grid,
  .advantage-grid,
  .process-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions a,
  .cta-actions a {
    width: 100%;
  }

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

  .hero-stage-panel {
    position: relative;
    margin: 0;
    padding: 24px;
    border-radius: 26px;
  }

  .hero-stage-panel h2 {
    font-size: 32px;
  }

  .hero-stage-notes {
    display: none;
  }

  .hero-price-badge {
    display: none;
  }

  .hero-contact-strip {
    grid-template-columns: 1fr;
  }

  .launch-copy h2 {
    max-width: none;
  }

  .launch-image {
    width: min(78%, 420px);
    height: 290px;
  }

  .product-category-header {
    flex-direction: column;
  }

  .category-count-badge {
    width: 100%;
    height: auto;
    min-height: 82px;
  }

  .detail-drawer {
    top: auto;
    left: 10px;
    right: 10px;
    bottom: 10px;
    width: auto;
    height: min(88vh, 760px);
    grid-template-rows: 250px 1fr;
  }

  .floating-contact {
    left: auto;
    right: 12px;
    bottom: 10px;
    justify-content: center;
    padding: 8px;
    border-radius: 999px;
  }

  .floating-contact span {
    display: none;
  }

  .floating-contact a {
    min-height: 42px;
    padding: 0 18px;
  }

  .detail-gallery-card {
    min-height: 390px;
  }

  #detail-gallery-image {
    height: 330px;
    min-height: 0;
    transform: scale(0.9);
  }

  .detail-page-hero {
    padding: 20px;
    border-radius: 24px;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: 100%;
  }

  .section,
  .footer {
    margin-left: 10px;
    margin-right: 10px;
  }

  .brand-logo {
    width: 132px;
  }

  .hero h1 {
    letter-spacing: -0.05em;
  }

  .featured-image-wrap {
    height: 320px;
    padding: 22px;
  }

  .product-image-wrap {
    height: 320px;
    padding: 22px;
  }

  .product-image {
    inset: 22px;
    width: calc(100% - 44px);
    height: calc(100% - 44px);
  }

  .launch-visual {
    min-height: 330px;
  }

  .launch-image {
    width: 92%;
    height: 280px;
  }

  .featured-image-wrap.has-variants .is-primary,
  .product-image-wrap.has-variants .is-primary {
    left: 0;
    top: 28%;
    width: 43%;
    height: 50%;
  }

  .featured-image-wrap.has-variants .is-variant-2,
  .product-image-wrap.has-variants .is-variant-2 {
    left: 29%;
    top: 14%;
    width: 47%;
    height: 58%;
  }

  .featured-image-wrap.has-variants .is-variant-3,
  .product-image-wrap.has-variants .is-variant-3 {
    right: 0;
    top: 32%;
    width: 43%;
    height: 50%;
  }

  .detail-page-copy h1 {
    font-size: 42px;
  }

  .detail-gallery-price {
    min-width: 132px;
  }
}
