.site-header + main {
  padding-top: 101px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  overflow: visible;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--rd-border);
  backdrop-filter: blur(14px);
  transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

body.header-condensed .site-header {
  background: rgba(255, 255, 255, 0.84);
  border-bottom-color: rgba(61, 57, 53, 0.08);
  box-shadow: 0 14px 34px rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(18px);
}

.topbar {
  overflow: hidden;
  max-height: 40px;
  background: var(--rd-ink);
  color: #bdbab6;
  font-size: 12px;
  transition: max-height 0.24s ease, opacity 0.2s ease, transform 0.24s ease;
}

body.header-condensed .topbar {
  max-height: 0;
  opacity: 0;
  transform: translateY(-100%);
}

.topbar-inner,
.nav-row,
.topbar-links,
.header-actions,
.brand,
.trust-strip,
.hero-actions,
.center-actions,
.cta-actions,
.footer-bottom {
  display: flex;
  align-items: center;
}

.topbar-inner {
  justify-content: space-between;
  min-height: 32px;
}

.topbar p {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar p span {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--rd-brand);
}

.topbar-links {
  gap: 18px;
}

.nav-row {
  justify-content: space-between;
  min-height: 72px;
  gap: 28px;
  transition: min-height 0.24s ease;
}

body.header-condensed .nav-row {
  min-height: 64px;
}

.brand {
  gap: 10px;
  min-width: max-content;
}

.brand-logo {
  display: block;
  width: 154px;
  height: auto;
  max-height: 42px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--rd-dark);
  font-size: 14px;
}

.desktop-nav > a,
.nav-trigger {
  position: relative;
  padding: 26px 0;
}

.desktop-nav a.active,
.desktop-nav a:hover,
.nav-item.active > .nav-trigger,
.nav-item:hover > .nav-trigger,
.nav-item:focus-within > .nav-trigger {
  color: var(--rd-ink);
  font-weight: 700;
}

.desktop-nav > a.active::after,
.nav-item.active > .nav-trigger::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--rd-brand);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-trigger::before {
  content: "";
  order: 2;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.55;
}

.nav-submenu {
  position: absolute;
  top: calc(100% - 2px);
  left: -18px;
  z-index: 50;
  min-width: 210px;
  padding: 10px;
  border: 1px solid rgba(61, 57, 53, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 42px rgba(26, 24, 22, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.nav-item:hover .nav-submenu,
.nav-item:focus-within .nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-submenu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--rd-dark);
  font-size: 13px;
  white-space: nowrap;
}

.nav-submenu a:hover {
  background: var(--rd-paler);
  color: var(--rd-ink);
}

.header-actions {
  gap: 10px;
}

.header-actions .btn {
  min-height: 38px;
  padding-inline: 15px;
  font-size: 13px;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--rd-white);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 80px;
  left: 54%;
  width: 1px;
  background: linear-gradient(transparent, var(--rd-border) 18%, var(--rd-border) 82%, transparent);
}

.home-hero {
  min-height: 720px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 42%, rgba(255, 255, 255, 0.62) 66%, rgba(255, 255, 255, 0.18) 100%),
    url("../img/home-hero-bg.webp") center right / cover no-repeat;
}

.home-hero::before {
  display: none;
}

.home-hero .hero-grid {
  grid-template-columns: minmax(0, 0.62fr);
  min-height: 680px;
  padding-block: 112px 126px;
}

.home-hero .hero-copy {
  position: relative;
  z-index: 1;
}

.home-hero .hero-proof article {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 72px;
  align-items: center;
  padding-block: 0;
}

.hero-copy h1 {
  margin-top: 24px;
  max-width: 760px;
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: 0;
}

.hero-copy h1::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: 24px;
  background: var(--rd-brand);
}

.hero-copy h1 span {
  display: block;
}

.hero-lead {
  max-width: 660px;
  margin-top: 24px;
  color: var(--rd-medium);
  font-size: 18px;
}

.trust-strip {
  margin-top: 0;
  border-block: 0;
}

.trust-strip span {
  flex: 1;
  padding: 14px 18px;
  text-align: center;
  color: var(--rd-dark);
  font-size: 13px;
}

.trust-strip span + span {
  border-left: 0;
}

.hero-actions {
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--rd-border);
  border: 1px solid var(--rd-border);
  max-width: 650px;
}

.hero-proof article {
  padding: 16px 18px;
  background: var(--rd-white);
}

.hero-proof strong {
  display: block;
  color: var(--rd-ink);
  font-size: 20px;
  line-height: 1;
}

.hero-proof span {
  display: block;
  margin-top: 8px;
  color: var(--rd-medium);
  font-size: 12px;
}

.hero-visual {
  position: relative;
  min-height: 580px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, #fafafa, #ededed);
  background-size: 26px 26px, 26px 26px, auto;
  display: grid;
  place-items: center;
}

.device-panel {
  width: min(72%, 360px);
  aspect-ratio: 0.72;
  padding: 22px;
  background: #1a1816;
  border: 1px solid #0f0e0d;
  box-shadow: 0 22px 80px rgba(205, 0, 20, 0.18);
}

.led-grid {
  height: 100%;
  background:
    radial-gradient(circle, rgba(255, 80, 80, 0.95) 0 3px, transparent 4px),
    radial-gradient(ellipse at center, rgba(205, 0, 20, 0.45), transparent 64%),
    #0d0c0b;
  background-size: 28px 28px, auto, auto;
}

.spec-card {
  position: absolute;
  border: 1px solid var(--rd-border);
  background: var(--rd-white);
  box-shadow: var(--rd-shadow);
}

.spec-wave {
  left: -26px;
  bottom: 72px;
  width: 242px;
  padding: 16px 18px;
}

.spec-wave span,
.spec-lines p {
  color: var(--rd-medium);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.spec-wave strong {
  display: block;
  color: var(--rd-ink);
  font-size: 26px;
  line-height: 1.1;
  margin-top: 7px;
}

.spec-wave small {
  color: var(--rd-medium);
  font-size: 14px;
}

.spec-wave p {
  color: var(--rd-medium);
  font-size: 12px;
}

.spec-lines {
  top: 46px;
  right: -18px;
  width: 160px;
  padding: 18px;
  background: var(--rd-ink);
}

.spec-lines strong {
  color: var(--rd-white);
  font-size: 36px;
  line-height: 1;
}

.spec-lines p {
  margin-top: 8px;
  letter-spacing: 0;
  text-transform: none;
}

.customer-strip {
  border-top: 1px solid var(--rd-border);
  background: var(--rd-paler);
}

.customer-strip .container {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  overflow-x: auto;
  color: var(--rd-medium);
  white-space: nowrap;
}

.customer-strip b {
  color: var(--rd-dark);
  font-weight: 600;
}

.stat-strip {
  border-top: 0;
  border-bottom: 1px solid var(--rd-border);
  background: #1a1816;
  color: rgba(255, 255, 255, 0.72);
}

.stat-strip .container {
  min-height: 92px;
}

.stat-strip span {
  color: rgba(255, 255, 255, 0.58);
}

.stat-strip b {
  color: var(--rd-white);
  font-size: 15px;
}

.section {
  padding-block: 112px;
}

.fit {
  background: var(--rd-white);
}

.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.92fr;
  gap: 24px;
}

.fit-panel,
.fit-note {
  border: 1px solid var(--rd-border);
  background: var(--rd-paler);
  padding: 30px 30px 32px;
  min-height: 330px;
}

.fit-yes {
  background: var(--rd-white);
  border-top: 3px solid var(--rd-brand);
}

.fit-panel h3,
.fit-note h3 {
  font-size: 22px;
}

.fit-panel ul {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.fit-panel li {
  position: relative;
  padding-left: 20px;
  color: var(--rd-medium);
  font-size: 14px;
}

.fit-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--rd-brand);
  background: var(--rd-white);
}

.fit-note {
  display: flex;
  flex-direction: column;
  background: var(--rd-ink);
  color: #bdbab6;
}

.fit-note span {
  color: var(--rd-brand);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.fit-note h3 {
  margin-top: 18px;
  color: var(--rd-white);
}

.fit-note p {
  margin-top: 14px;
  color: #bdbab6;
}

.fit-note .text-link {
  margin-top: auto;
  color: var(--rd-white);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 24px;
  background: var(--rd-border);
  border: 1px solid var(--rd-border);
}

.trust-grid article {
  min-height: 180px;
  padding: 24px 42px;
  background: var(--rd-white);
}

.trust-grid span {
  color: var(--rd-brand);
  font-size: 13px;
}

.trust-grid h3 {
  margin-top: 24px;
  font-size: 19px;
}

.trust-grid p {
  margin-top: 10px;
  color: var(--rd-medium);
  font-size: 13.5px;
}
@media (max-width: 480px) {
  .trust-grid article { min-height: 140px; padding: 12px 12px; background: var(--rd-white); }
  .trust-strip span { padding: 14px 8px; }
  .trust-strip .tp-fact { padding: 12px 8px 0; font-size: clamp(15px, 1.5vw, 19px);}
}

.scenarios,
.knowledge {
  background: var(--rd-paler);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rd-border);
  border-left: 1px solid var(--rd-border);
}

.scenario-card {
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: 30px 26px 32px;
  background: var(--rd-white);
  border-right: 1px solid var(--rd-border);
  border-bottom: 1px solid var(--rd-border);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.035);
}

.scenario-card .num {
  color: var(--rd-light);
  font-size: 13px;
}

.scenario-card h3 {
  margin-top: 22px;
  font-size: 22px;
}

.scenario-card p {
  margin-top: 12px;
  color: var(--rd-medium);
  font-size: 13.5px;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.scenario-tags span {
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--rd-border);
  color: var(--rd-medium);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.scenario-card .text-link {
  align-self: flex-start;
  margin-top: auto;
}

.home-scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.home-scenario-card {
  display: grid;
  grid-template-rows: 170px 1fr;
  min-height: 390px;
  border: 1px solid rgba(61, 57, 53, 0.12);
  border-radius: 8px;
  background: var(--rd-white);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.04);
}

.home-scenario-card figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--rd-pale);
}

.home-scenario-card figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26, 24, 22, 0.18));
}

.home-scenario-card img,
.home-feature img,
.custom-visual-grid img,
.home-content-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-scenario-card > div {
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.home-scenario-card span,
.home-content-card span {
  color: var(--rd-brand);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.home-scenario-card h3 {
  margin-top: 16px;
  font-size: 20px;
}

.home-scenario-card p {
  margin-top: 10px;
  color: var(--rd-medium);
  font-size: 13.5px;
}

.home-scenario-card .scenario-tags {
  margin-top: auto;
  padding-top: 18px;
}

.home-scenario-card .scenario-tags em {
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--rd-border);
  color: var(--rd-medium);
  font-size: 12px;
  font-style: normal;
  overflow-wrap: anywhere;
}

.home-feature {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 54px;
  align-items: center;
}

.home-feature.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.home-feature.reverse figure {
  order: 2;
}

.home-feature figure {
  min-height: 430px;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--rd-pale);
  box-shadow: 0 18px 42px rgba(26, 24, 22, 0.1);
}

.home-feature-copy h3 {
  margin-top: 12px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.08;
}

.home-feature-copy > p:not(.eyebrow) {
  margin-top: 20px;
  color: var(--rd-medium);
  font-size: 16px;
  line-height: 1.8;
}

.home-feature-points {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.home-feature-points article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--rd-hair);
}

.home-feature-points strong {
  color: var(--rd-ink);
}

.home-feature-points span {
  color: var(--rd-medium);
  font-size: 14px;
}

.home-feature-copy .btn {
  margin-top: 28px;
}

.custom-visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.custom-visual-grid article {
  display: grid;
  grid-template-rows: 230px 1fr;
  border: 1px solid rgba(61, 57, 53, 0.12);
  border-radius: 8px;
  background: var(--rd-white);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.04);
}

.custom-visual-grid article > div {
  padding: 24px;
}

.custom-visual-grid h3 {
  font-size: 21px;
}

.custom-visual-grid p {
  margin-top: 12px;
  color: var(--rd-medium);
  font-size: 14px;
}

.section-link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
}

.home-content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.home-content-card {
  display: grid;
  grid-template-rows: 220px 1fr;
  border: 1px solid rgba(61, 57, 53, 0.12);
  border-radius: 8px;
  background: var(--rd-white);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.04);
}

.home-content-card > div {
  padding: 24px;
}

.home-content-card h3 {
  margin-top: 14px;
  font-size: 22px;
}

.home-content-card p {
  margin-top: 12px;
  color: var(--rd-medium);
  font-size: 14px;
}

.mini-device,
.product-viz {
  position: relative;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  background:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, #fafafa, #ededed);
  background-size: 22px 22px, 22px 22px, auto;
}

.mini-device {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-top: 18px;
  border-radius: 8px;
}

.mini-device::before,
.product-viz::before {
  content: "";
  position: absolute;
  inset: 22%;
  background: #1a1816;
}

.mini-lamp::before,
.lamp-viz::before {
  border-radius: 999px;
}

.mini-device::after,
.product-viz::after {
  content: "";
  position: absolute;
  inset: 30%;
  background: radial-gradient(circle, rgba(255, 80, 80, 0.95) 0 4px, transparent 5px), radial-gradient(circle, rgba(205, 0, 20, 0.5), transparent 66%);
  background-size: 18px 18px, auto;
}

.mini-pad::before,
.pad-viz::before {
  inset: 38% 12%;
  border-radius: 999px;
}

.mini-mask::before,
.mask-viz::before {
  inset: 18% 32%;
  border-radius: 48% 48% 42% 42%;
}

.home-page .mini-device,
.home-page .product-viz {
  background-position: center;
  background-size: cover;
}

.home-page .mini-device::before,
.home-page .mini-device::after,
.home-page .product-viz::before,
.home-page .product-viz::after {
  display: none;
}

.home-page .mini-lamp,
.home-page .mini-pad {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.1)),
    url("../img/scenarios-recovery-rehab.webp");
}

.home-page .mini-panel,
.home-page .mini-mask {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.1)),
    url("../img/scenarios-wellness-beauty.webp");
}

.home-page .panel-viz,
.home-page .bed-viz,
.home-page .stand-viz {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.08)),
    url("../img/products-panels.webp");
}

.home-page .lamp-viz,
.home-page .pad-viz,
.home-page .mask-viz {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.08)),
    url("../img/products-portable.webp");
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(26, 24, 22, 0.04);
}

.product-viz {
  aspect-ratio: 5 / 3.3;
}

.bed-viz::before {
  inset: 36% 8%;
  border-radius: 100px 100px 4px 4px;
}

.stand-viz::before {
  inset: 18% 47% 24%;
}

.product-body {
  padding: 22px 24px 26px;
}

.product-body > span {
  color: var(--rd-medium);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-body h3 {
  margin-top: 8px;
  font-size: 19px;
}

.product-body p {
  min-height: 70px;
  margin-top: 10px;
  color: var(--rd-medium);
  font-size: 13px;
}

.product-body div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.center-actions {
  justify-content: center;
  gap: 14px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.why,
.final-cta,
.site-footer {
  background: var(--rd-ink);
  color: #bdbab6;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 72px;
  align-items: end;
}

.why h2,
.final-cta h2 {
  color: var(--rd-white);
  font-size: clamp(32px, 4vw, 50px);
}

.why-grid > p,
.final-cta p {
  color: #bdbab6;
  font-size: 17px;
}

.why-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
  border-top: 1px solid #2a2723;
  border-left: 1px solid #2a2723;
}

.why-cards article {
  min-height: 230px;
  padding: 32px 26px;
  border-right: 1px solid #2a2723;
  border-bottom: 1px solid #2a2723;
}

.why-cards span {
  color: var(--rd-brand);
}

.why-cards h3 {
  margin-top: 28px;
  color: var(--rd-white);
  font-size: 20px;
}

.why-cards p {
  margin-top: 12px;
  color: #9a9692;
  font-size: 13.5px;
}

.parameter-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 80px;
}

.parameter-copy {
  align-self: start;
  position: sticky;
  top: 132px;
}

.parameter-copy h2,
.parameter-copy p {
  margin-top: 22px;
}

.parameter-copy p {
  color: var(--rd-medium);
  font-size: 16px;
}

.parameter-copy .btn {
  margin-top: 30px;
}

.parameter-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: var(--rd-border);
  border: 1px solid var(--rd-border);
  gap: 1px;
}

.parameter-board article {
  min-height: 220px;
  padding: 32px 28px;
  background: var(--rd-white);
}

.parameter-board span {
  color: var(--rd-medium);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.parameter-board strong {
  display: block;
  margin-top: 20px;
  color: var(--rd-ink);
  font-size: 40px;
  line-height: 1;
}

.parameter-board small {
  color: var(--rd-medium);
  font-size: 15px;
  margin-left: 5px;
}

.parameter-board p {
  margin-top: 18px;
  color: var(--rd-medium);
  font-size: 13px;
}

.process {
  background: var(--rd-pale);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--rd-border);
  border: 1px solid var(--rd-border);
}

.process-line article {
  min-height: 230px;
  padding: 28px 20px;
  background: var(--rd-white);
}

.process-line span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--rd-pale);
  color: var(--rd-medium);
  font-size: 12px;
}

.process-line article:first-child span {
  background: var(--rd-brand);
  color: var(--rd-white);
}

.process-line h3 {
  margin-top: 24px;
  font-size: 17px;
}

.process-line p {
  margin-top: 10px;
  color: var(--rd-medium);
  font-size: 13px;
}

.client-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: start;
}

.client-grid > div:first-child p {
  margin: 22px 0 28px;
  color: var(--rd-medium);
}

.client-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rd-border);
  border: 1px solid var(--rd-border);
}

.sample-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.sample-list article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--rd-border);
  background:
    linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.92)),
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    var(--rd-white);
  background-size: auto, 24px 24px, 24px 24px, auto;
}

.sample-list span {
  color: var(--rd-brand);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sample-list h3 {
  margin-top: 56px;
  font-size: 20px;
}

.sample-list p {
  margin-top: 12px;
  color: var(--rd-medium);
  font-size: 13.5px;
}

.client-list article {
  padding: 26px 26px 28px;
  background: var(--rd-white);
}

.client-list h3 {
  font-size: 17px;
}

.client-list p {
  margin-top: 8px;
  color: var(--rd-medium);
  font-size: 13px;
}

.article-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  gap: 24px;
}

.article-grid article {
  min-height: 260px;
  padding: 26px;
  background: var(--rd-white);
  border: 1px solid var(--rd-border);
}

.article-grid .featured {
  min-height: 320px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.88)),
    radial-gradient(circle at 72% 30%, rgba(205, 0, 20, 0.28), transparent 36%),
    linear-gradient(135deg, #24211f, #f4f4f4);
}

.article-grid span {
  display: inline-block;
  color: var(--rd-brand);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.article-grid h3 {
  margin-top: 28px;
  font-size: 20px;
}

.article-grid p {
  margin-top: 14px;
  color: var(--rd-medium);
  font-size: 13.5px;
}

.final-cta {
  position: relative;
  overflow: hidden;
}

.final-cta::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(205, 0, 20, 0.22), transparent 64%);
}

.cta-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}

.final-cta h2 {
  margin-top: 20px;
}

.final-cta p {
  max-width: 620px;
  margin-top: 22px;
}

.cta-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.cta-outline {
  border-color: #4a4540;
  color: var(--rd-white);
}

.cta-outline:hover {
  background: var(--rd-white);
  color: var(--rd-ink);
}

.lead-form {
  padding: 34px;
  background: var(--rd-white);
  color: var(--rd-dark);
  border-radius: var(--rd-radius);
}

.form-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 24px;
}

.form-head h3 {
  font-size: 22px;
}

.form-head span {
  color: var(--rd-medium);
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.full {
  grid-column: 1 / -1;
}

.submit-btn {
  width: 100%;
  margin-top: 18px;
}

.form-notice {
  display: none;
  margin-top: 12px;
  color: var(--rd-medium);
  font-size: 13px;
}

.form-notice.is-visible {
  display: block;
}

.site-footer {
  padding-top: 58px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand-logo {
  filter: brightness(0) invert(1);
  opacity: 0.96;
}

.site-footer p {
  max-width: 340px;
  margin-top: 18px;
  color: #9a9692;
  font-size: 13px;
}

.site-footer h4 {
  margin-bottom: 16px;
  color: var(--rd-white);
  font-size: 14px;
}

.site-footer a {
  display: block;
  margin-top: 10px;
  color: #bdbab6;
  font-size: 13px;
}

.footer-bottom {
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px 30px;
  border-top: 1px solid #2a2723;
  color: #807c78;
  font-size: 12px;
}

/* 页脚底部链接（ICP / 隐私 / 条款 / 地图）保持行内，不各占一行
   —— 覆盖上方 .site-footer a { display:block } 的竖排默认 */
.footer-bottom a {
  display: inline;
  margin-top: 0;
}
.footer-bottom span:last-child {
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 1180px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 1px solid var(--rd-border);
    background: var(--rd-white);
  }

  .menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--rd-ink);
  }

  .mobile-nav {
    display: none;
    position: fixed;
    inset: 105px 0 auto;
    z-index: 1001;
    max-height: calc(100vh - 105px);
    overflow-y: auto;
    padding: 18px 24px 28px;
    background: var(--rd-white);
    border-bottom: 1px solid var(--rd-border);
    box-shadow: 0 18px 38px rgba(17, 17, 17, 0.12);
  }

  body.header-condensed .mobile-nav {
    inset: 65px 0 auto;
    max-height: calc(100vh - 65px);
  }

  .mobile-nav.is-open {
    display: grid;
  }

  body.menu-open {
    overflow: hidden;
  }

  .mobile-nav a,
  .mobile-nav summary {
    padding: 14px 0;
    border-bottom: 1px solid var(--rd-hair);
    color: var(--rd-dark);
    font-size: 15px;
  }

  .mobile-nav summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    list-style: none;
  }

  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav summary::after {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.18s ease;
  }

  .mobile-nav details[open] summary::after {
    transform: rotate(225deg);
  }

  .mobile-submenu {
    display: grid;
    padding: 4px 0 8px 16px;
    background: var(--rd-paler);
    border-bottom: 1px solid var(--rd-hair);
  }

  .mobile-submenu a {
    padding: 11px 0;
    border-bottom-color: rgba(61, 57, 53, 0.08);
    font-size: 14px;
  }

  .hero-grid,
  .why-grid,
  .parameter-grid,
  .client-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 480px;
  }

  .home-hero {
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 56%, rgba(255, 255, 255, 0.38) 100%),
      url("../img/home-hero-bg.webp") center right 30% / cover no-repeat;
  }

  .home-hero .hero-grid {
    min-height: 620px;
    grid-template-columns: 1fr;
  }

  .scenario-grid,
  .home-scenario-grid,
  .fit-grid,
  .why-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .fit-note {
    grid-column: 1 / -1;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid,
  .custom-visual-grid,
  .home-content-grid,
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-feature,
  .home-feature.reverse {
    grid-template-columns: 1fr;
  }

  .home-feature.reverse figure {
    order: initial;
  }

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

  .parameter-copy {
    position: static;
  }
}

@media (max-width: 720px) {
  .topbar-links {
    display: flex;            /* 手机端保留：右侧可点拨号电话 */
    flex-shrink: 0;
  }
  .topbar-links .lang-en {
    display: none;            /* 手机端隐藏 EN，仅留电话这个高价值入口 */
  }
  .topbar-links .en {
    font-size: 12px;
  }

  .topbar-inner {
    justify-content: space-between;
    gap: 12px;
  }

  .topbar p {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 11px;
  }

  .nav-row {
    min-height: 68px;
    gap: 14px;
  }

  .menu-toggle {
    flex: 0 0 42px;
    margin-left: auto;
  }

  .mobile-nav {
    top: 100px;
  }

  .brand-logo {
    width: 132px;
    max-height: 38px;
  }

  .hero-grid {
    gap: 38px;
    padding-block: 56px;
  }

  .home-hero {
    min-height: auto;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(255, 255, 255, 0.94) 52%, rgba(255, 255, 255, 0.78) 100%),
      url("../img/home-hero-bg.webp") center top / cover no-repeat;
  }

  .home-hero .hero-grid {
    min-height: auto;
    padding-block: 72px 82px;
  }

  .hero-copy h1 {
    max-width: calc(100vw - 32px);
    font-size: 28px;
    line-height: 1.18;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .hero-lead {
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .trust-strip,
  .customer-strip .container,
  .hero-proof {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-actions,
  .cta-actions,
  .page-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-actions .btn,
  .cta-actions .btn,
  .page-actions .btn {
    justify-content: center;
    width: 100%;
    min-width: 0;
    padding-inline: 14px;
    white-space: normal;
    text-align: center;
  }

  .trust-strip span {
    border-bottom: 1px solid var(--rd-border);
  }

  .trust-strip span + span {
    border-left: 0;
  }

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

  .spec-wave {
    left: 12px;
    bottom: 18px;
  }

  .spec-lines {
    right: 12px;
    top: 18px;
  }

  .section {
    padding-block: 78px;
  }

  .scenario-grid,
  .home-scenario-grid,
  .fit-grid,
  .trust-grid,
  .product-grid,
  .custom-visual-grid,
  .home-content-grid,
  .why-cards,
  .parameter-board,
  .process-line,
  .client-list,
  .sample-list,
  .article-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .fit-note {
    grid-column: auto;
  }

  .scenario-card {
    min-height: auto;
  }

  .home-scenario-card,
  .custom-visual-grid article,
  .home-content-card {
    grid-template-rows: 180px 1fr;
    min-height: auto;
  }

  .home-feature figure {
    min-height: 260px;
  }

  .home-feature-points article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .product-body p {
    min-height: 0;
  }

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

  .footer-bottom {
    display: grid;
  }
}