:root {
  --red: #e82018;
  --red-strong: #ff3a32;
  --ink: #121315;
  --carbon: #1a1d21;
  --panel: #242a31;
  --paper: #f4f6f7;
  --muted: #aeb7bf;
  --steel: #75838c;
  --line: rgba(244, 246, 247, 0.14);
  --line-dark: rgba(18, 19, 21, 0.16);
  --max: 1440px;
  --side: clamp(18px, 3.8vw, 56px);
  --font-cn: "Source Han Sans SC", "HarmonyOS Sans", "Microsoft YaHei", sans-serif;
  --font-data: Bahnschrift, "Aptos Narrow", "DIN Condensed", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--paper);
  background:
    linear-gradient(90deg, rgba(244, 246, 247, 0.035) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(0deg, rgba(244, 246, 247, 0.035) 1px, transparent 1px) 0 0 / 64px 64px,
    radial-gradient(circle at 76% 8%, rgba(232, 32, 24, 0.13), transparent 30%),
    var(--ink);
  font-family: var(--font-cn);
  line-height: 1.6;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 82px;
  padding: 0 var(--side);
  border-bottom: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 228px;
}

.brand img {
  width: 228px;
  max-width: 32vw;
  height: 52px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 26px 0;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--paper);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
}

.header-action,
.btn,
.recommend-panel a,
.download-strip a,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
}

.header-action,
.btn-primary,
.contact-form button {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.header-action {
  width: 126px;
  min-width: 126px;
  padding: 0 14px;
  white-space: nowrap;
  font-size: clamp(13px, 1vw, 14px);
  line-height: 1;
  letter-spacing: 0;
 }

.site-header > .header-action {
  display: none;
}

a.header-action[href$="selector.html"],
.hero-actions a[href$="selector.html"],
.footer-links a[href$="selector.html"] {
  display: none !important;
}

.header-action:hover,
.btn-primary:hover,
.contact-form button:hover {
  background: var(--red-strong);
}

.site-breadcrumb {
  position: sticky;
  top: 82px;
  z-index: 49;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.84);
  backdrop-filter: blur(14px);
}

.site-breadcrumb ol {
  display: flex;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 10px var(--side);
  gap: 9px;
  overflow-x: auto;
  list-style: none;
  color: var(--steel);
  font-size: 12px;
  white-space: nowrap;
  scrollbar-width: none;
}

.site-breadcrumb ol::-webkit-scrollbar {
  display: none;
}

.site-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.site-breadcrumb li + li::before {
  content: "/";
  color: rgba(244, 246, 247, 0.26);
}

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

.site-breadcrumb a:hover {
  color: var(--paper);
}

.site-breadcrumb span {
  color: var(--paper);
}

.btn-ghost:hover,
.recommend-panel a:hover,
.download-strip a:hover {
  border-color: var(--red);
}

.hero,
.section-block {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-left: var(--side);
  padding-right: var(--side);
}

.hero {
  height: clamp(520px, calc(72svh - 72px), 720px);
  min-height: 0;
  padding-top: clamp(18px, 2.5vh, 32px);
  padding-bottom: clamp(18px, 2.5vh, 32px);
}

.kicker {
  margin: 0 0 18px;
  color: var(--red);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6.2vw, 78px);
  line-height: 1.06;
  letter-spacing: 0;
  line-break: strict;
  text-wrap: balance;
}

h2 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.12;
  letter-spacing: 0;
  line-break: strict;
  text-wrap: balance;
}

h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
  line-break: strict;
  text-wrap: pretty;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
  line-break: strict;
  text-wrap: pretty;
}

.banner-slider {
  position: relative;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(244, 246, 247, 0.038) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(0deg, rgba(244, 246, 247, 0.038) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(135deg, rgba(61, 15, 17, 0.92), rgba(18, 19, 21, 0.98));
}

.banner-track {
  display: flex;
  height: 100%;
  width: 100%;
  transform: translateX(calc(var(--banner-index, 0) * -100%));
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.banner-slide {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  flex: 0 0 100%;
  min-height: 0;
  height: 100%;
  padding: clamp(22px, 3vh, 38px) clamp(32px, 4.5vw, 60px);
  isolation: isolate;
  background: #07101b;
}

.banner-slide::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background-position: center;
  background-size: cover;
  filter: brightness(0.58) saturate(0.62) contrast(0.9);
}

.banner-slide::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 10, 17, 0.97) 0%, rgba(4, 10, 17, 0.83) 44%, rgba(4, 10, 17, 0.48) 78%, rgba(4, 10, 17, 0.38) 100%), linear-gradient(0deg, rgba(4, 10, 17, 0.72), rgba(4, 10, 17, 0.14) 58%);
  pointer-events: none;
}

.banner-slide:nth-child(1)::before {
  background-image: url("assets/home-banners-v2/field-raman-bg.png");
}

.banner-slide:nth-child(2)::before {
  background-image: url("assets/home-banners-v2/spectral-platform-bg.png");
}

.banner-slide:nth-child(3)::before {
  background-image: url("assets/home-banners-v2/oem-integration-bg.png");
}

.banner-slide:nth-child(4)::before {
  background-image: url("assets/home-banners-v2/process-raman-bg.png");
}

.banner-copy h1 {
  display: grid;
  gap: 6px;
  max-width: 820px;
  margin-bottom: 14px;
  font-size: clamp(38px, 4.4vw, 60px);
}

.banner-copy h2 {
  margin-bottom: 20px;
  color: var(--red);
  font-size: clamp(18px, 1.75vw, 24px);
  line-height: 1.28;
}

.banner-copy h1 span {
  display: block;
  color: #fff;
}

.banner-copy h1 span:nth-of-type(1) {
  color: #f7fbff;
  text-shadow: 0 0 24px rgba(232, 32, 24, 0.16);
}

.banner-copy h1 span:nth-of-type(2) {
  color: #dfe7ee;
}

.banner-copy h1 em {
  color: var(--red);
  font-style: normal;
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 800;
  line-height: 1.2;
}

.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.38em;
  row-gap: 0.16em;
  align-items: baseline;
  max-width: 760px;
  color: #c7d0d8;
  font-size: clamp(16px, 1.45vw, 19px);
  font-weight: 700;
  line-height: 1.9;
}

.keyword-token,
.keyword-divider {
  display: inline-block;
  white-space: nowrap;
  word-break: keep-all;
}

.keyword-divider {
  color: rgba(244, 246, 247, 0.76);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.hero-actions.is-hidden {
  display: none;
}

.btn-contact-engineer {
  color: var(--paper);
  border-color: rgba(232, 32, 24, 0.72);
  background: rgba(232, 32, 24, 0.08);
  cursor: pointer;
}

.btn-contact-engineer:hover {
  border-color: var(--red);
  background: rgba(232, 32, 24, 0.18);
}

.engineer-contact-dialog {
  position: relative;
  width: min(440px, calc(100vw - 36px));
  padding: 34px;
  border: 1px solid rgba(244, 246, 247, 0.22);
  color: var(--paper);
  background: #1a1d21;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.engineer-contact-dialog::backdrop {
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(4px);
}

.engineer-contact-dialog h2 {
  margin: 10px 0 12px;
  font-size: 28px;
}

.engineer-contact-dialog p:not(.kicker) {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.engineer-contact-number {
  display: inline-block;
  margin-top: 24px;
  color: var(--paper);
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.engineer-contact-number:hover {
  color: var(--red-strong);
}

.engineer-contact-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}

.engineer-contact-close:hover {
  color: var(--paper);
}

.banner-controls {
  position: absolute;
  left: clamp(42px, 5.5vw, 72px);
  bottom: 28px;
  display: flex;
  align-items: stretch;
  gap: 0;
  z-index: 5;
  border: 1px solid rgba(244, 246, 247, 0.2);
  background: rgba(15, 16, 18, 0.72);
  backdrop-filter: blur(10px);
}

.banner-dot {
  position: relative;
  min-width: 92px;
  height: 42px;
  padding: 0 16px 0 18px;
  border: 0;
  border-right: 1px solid rgba(244, 246, 247, 0.14);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0;
  text-align: left;
  white-space: nowrap;
  transition: color 180ms ease, background 180ms ease;
}

.banner-dot:last-child {
  border-right: 0;
}

.banner-dot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 180ms ease;
}

.banner-dot:hover,
.banner-dot:focus-visible {
  color: var(--paper);
  background: rgba(244, 246, 247, 0.05);
  outline: none;
}

.banner-dot.is-active {
  color: var(--paper);
  background: rgba(232, 32, 24, 0.12);
}

.banner-dot.is-active::before {
  background: var(--red);
}

.banner-visual {
  position: relative;
  display: grid;
  min-height: clamp(250px, 38vh, 380px);
  overflow: visible;
  place-items: center;
  border: 0;
  background: transparent;
}

.banner-visual::before {
  display: none;
}

.banner-visual > img {
  position: relative;
  z-index: 1;
  display: block;
  width: 96%;
  height: 96%;
  max-height: 390px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.52));
}

.banner-caption {
  display: none;
}

.banner-caption span,
.banner-caption small {
  color: var(--muted);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.banner-caption strong {
  color: var(--red);
  font-family: var(--font-data);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.05;
}

.instrument-stage {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(244, 246, 247, 0.045) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(0deg, rgba(244, 246, 247, 0.045) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(135deg, #222830, #111316);
}

.single-product .blade-focus {
  left: 14%;
  top: 12%;
  width: min(520px, 74%);
  max-height: 330px;
  object-fit: contain;
}

.oem-stage .hina {
  left: 8%;
  top: 24%;
  width: min(300px, 45%);
}

.oem-stage .raptor {
  right: 10%;
  top: 18%;
  width: min(300px, 43%);
}

.spectral-stage .hina {
  left: 8%;
  top: 15%;
  width: min(300px, 43%);
}

.spectral-stage .pyros {
  right: 8%;
  top: 30%;
  width: min(320px, 45%);
}

.instrument-stage::before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: 15%;
  height: 42%;
  border: 1px solid rgba(244, 246, 247, 0.16);
  background: linear-gradient(180deg, #2c333b, #171a1e);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.3);
}

.product-float {
  position: absolute;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 26px 38px rgba(0, 0, 0, 0.36));
}

.product-float.blade {
  right: 7%;
  top: 10%;
  width: min(310px, 49%);
}

.product-float.hina {
  left: 9%;
  top: 30%;
  width: min(310px, 45%);
}

.spectrum-window {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 17%;
  height: 112px;
  border-left: 1px solid rgba(244, 246, 247, 0.32);
  border-bottom: 1px solid rgba(244, 246, 247, 0.32);
}

.spectrum-window i {
  position: absolute;
  left: var(--x);
  bottom: 0;
  width: 2px;
  height: var(--h);
  background: var(--red);
}

.signal-card {
  position: absolute;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 8px;
  width: min(285px, calc(100% - 48px));
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.92);
}

.signal-card span,
.signal-card small,
.product-card span,
.product-card dt,
.product-card dd,
.site-footer,
.step span,
.route-grid span,
.oem-flow span {
  font-family: var(--font-data);
}

.signal-card span,
.signal-card small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.signal-card strong {
  color: var(--red);
  font-size: 28px;
  line-height: 1.1;
}

.section-block {
  padding-top: 92px;
  padding-bottom: 92px;
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 6px;
  margin-bottom: 44px;
}

.section-head p:not(.kicker) {
  max-width: 980px;
}

.section-head-row {
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
}

.selector-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 320px;
  gap: 18px;
}

.selector-steps,
.question-panel,
.recommend-panel {
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.66);
}

.selector-steps {
  display: grid;
  align-content: start;
}

.step {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 0 18px;
  color: var(--paper);
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.step span {
  color: var(--red);
}

.step.is-active {
  background: var(--red);
}

.step.is-active span {
  color: #fff;
}

.question-panel {
  min-height: 358px;
  padding: 30px;
}

.question-stack {
  display: none;
}

.question-stack.is-active {
  display: block;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.choice-grid button {
  min-height: 88px;
  padding: 18px;
  color: var(--paper);
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.42);
  cursor: pointer;
}

.choice-grid button:hover,
.choice-grid button.is-selected {
  border-color: var(--red);
}

.recommend-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 24px;
}

.recommend-panel span {
  color: var(--muted);
  font-size: 13px;
}

.recommend-panel strong {
  color: var(--red);
  font-size: 30px;
  line-height: 1.1;
}

.recommend-panel a {
  width: max-content;
  border-color: var(--red);
}

.recommend-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--line);
}

.tab {
  min-height: 44px;
  padding: 0 18px;
  color: var(--muted);
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.tab:last-child {
  border-right: 0;
}

.tab.is-active {
  color: #fff;
  background: var(--red);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  display: grid;
  align-content: start;
  min-height: 438px;
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.76);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.product-card:hover {
  border-color: var(--red);
  background: rgba(41, 49, 57, 0.88);
  transform: translateY(-2px);
}

.product-card.is-hidden {
  display: none;
}

.product-media,
.series-media,
.related-thumb {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: #eef1f3;
  background-image:
    var(--product-bg-overlay, linear-gradient(135deg, rgba(255, 255, 255, 0.62), rgba(238, 242, 244, 0.28))),
    var(--product-bg, url("assets/site-scenes/app-materials-light.png"));
  background-size: cover;
  background-position: center;
}

.product-media::after,
.series-media::after,
.detail-visual::after,
.related-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255,255,255,0.45), rgba(218,224,229,0.18));
  pointer-events: none;
}

.product-card.raman,
.series-card.raman {
  --product-bg: url("assets/site-scenes/app-forensic-light.png");
}

.product-card.spectral,
.series-card.spectral {
  --product-bg: url("assets/site-scenes/app-materials-light.png");
}

.product-card.light,
.series-card.light {
  --product-bg: url("assets/site-scenes/raman-sample-macro-light.png");
}

.product-card.accessory,
.series-card.accessory {
  --product-bg: url("assets/site-scenes-clean/clean-accessory-dark.png");
}

.product-card.accessory .product-media,
.series-card.accessory .series-media,
.related-card.accessory .related-thumb {
  background-color: #eef1f3;
  background-image:
    var(--product-bg-overlay, linear-gradient(135deg, rgba(255, 255, 255, 0.62), rgba(238, 242, 244, 0.28))),
    var(--product-bg, url("assets/site-scenes/app-food-light.png"));
  background-size: cover;
}

.product-card.oem:not(.raman):not(.light),
.series-card.oem:not(.raman):not(.light) {
  --product-bg: url("assets/site-scenes/company-production-line.png");
}

.product-card.canva-bg,
.series-card.canva-bg {
  --product-bg: url("assets/site-scenes/company-deepiot-deployment.png");
}

.product-media {
  display: grid;
  height: 208px;
  margin-bottom: 22px;
  place-items: center;
  padding: 14px 18px;
}

.product-card img {
  display: block;
  position: relative;
  width: 100%;
  height: 180px;
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--product-scale, 1));
  transform-origin: center;
}

.product-card > span:not(.product-media) {
  display: block;
  margin-bottom: 32px;
  color: var(--red);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.product-code {
  display: block;
  margin: -6px 0 18px;
  color: var(--muted);
  font-family: "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.product-card p {
  min-height: 82px;
  font-size: 15px;
}

.product-card dl {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.product-card dl div {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.product-card dt,
.product-card dd {
  margin: 0;
  font-size: 13px;
}

.product-card dt {
  color: var(--muted);
}

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

.series-card {
  display: grid;
  min-height: 560px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.74);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.series-card:hover {
  border-color: rgba(232, 32, 24, 0.72);
  background: rgba(41, 49, 57, 0.9);
  transform: translateY(-2px);
}

.series-card.is-hidden {
  display: none;
}

.series-media {
  display: grid;
  min-height: 224px;
  margin: 20px 20px 0;
  place-items: center;
  padding: 14px 18px;
}

.series-media img {
  width: 100%;
  height: 196px;
  max-width: 92%;
  max-height: 196px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--product-scale, 1));
  transform-origin: center;
}

.series-copy {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 24px;
}

.series-copy span {
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.series-copy h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
}

.series-code {
  justify-self: start;
  margin-top: -8px;
  color: var(--muted);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.series-copy p {
  margin: 0;
  color: var(--muted);
}

.series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.series-tags small {
  padding: 4px 9px;
  color: #cbd5dc;
  border: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.32);
  font-size: 12px;
  font-style: normal;
}

.series-models {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.series-models div {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) 1fr;
  gap: 12px;
  color: #cbd5dc;
  font-size: 13px;
}

.series-models strong {
  color: var(--paper);
}

.series-models em {
  color: var(--muted);
  font-style: normal;
  font-family: var(--font-data);
}

.series-link {
  justify-self: start;
  margin-top: 6px;
  padding: 10px 14px;
  color: #fff;
  background: var(--red);
  font-weight: 800;
}

.series-tech-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  border-bottom: 1px solid var(--red);
}

.series-tech-link:hover {
  color: var(--red-strong);
}

.hina-technology-link,
#detail-technology-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hina-technology-link img,
.hina-link-icon {
  width: 19px;
  height: 19px;
  object-fit: contain;
  flex: 0 0 auto;
}

.hina-technology-link sup,
#detail-technology-link sup {
  font-size: 0.58em;
  line-height: 0;
  vertical-align: super;
}

#detail-technology-link .hina-link-icon {
  width: 20px;
  height: 20px;
}

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

.route-grid article {
  display: grid;
  align-content: space-between;
  min-height: 330px;
  padding: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(18, 19, 21, 0.18), rgba(18, 19, 21, 0.86)),
    linear-gradient(135deg, rgba(22, 27, 32, 0.58), rgba(18, 19, 21, 0.16) 48%),
    var(--route-bg, url("assets/site-scenes/motif-process-dark.png"));
  background-size: cover;
  background-position: center;
}

.route-grid article:nth-child(1) {
  --route-bg: url("assets/site-scenes/app-forensic-light.png");
}

.route-grid article:nth-child(2) {
  --route-bg: url("assets/site-scenes/pat-reactor-light.png");
}

.route-grid article:nth-child(3) {
  --route-bg: url("assets/site-scenes/company-production-line.png");
}

.route-grid span {
  color: var(--red);
  font-family: var(--font-data);
  font-size: clamp(18px, 2.1vw, 28px);
  letter-spacing: 0.08em;
  line-height: 1;
}

.route-grid b {
  color: #c2ccd3;
  font-size: 13px;
}

.technology-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 36px;
  align-items: start;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tech-grid article {
  display: grid;
  gap: 14px;
  min-height: 178px;
  padding: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(28, 34, 40, 0.96), rgba(28, 34, 40, 0.78) 58%, rgba(28, 34, 40, 0.42)),
    var(--tech-bg, url("assets/site-scenes/spectral-alloy-dark.png"));
  background-size: cover;
  background-position: center;
}

.tech-grid article:nth-child(1) {
  --tech-bg: url("assets/site-scenes/tech-high-na-throughput.png");
}

.tech-grid article:nth-child(2) {
  --tech-bg: url("assets/site-scenes/tech-raman-scattering.png");
}

.tech-grid article:nth-child(3) {
  --tech-bg: url("assets/site-scenes/company-deepiot-deployment.png");
}

.tech-grid article:nth-child(4) {
  --tech-bg: url("assets/site-scenes/company-quality-array.png");
}

.tech-grid strong {
  color: var(--red);
  font-size: 24px;
}

.tech-grid span,
.oem-flow small,
.about-grid span {
  color: var(--muted);
}

.oem-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
}

.oem-flow li {
  display: grid;
  gap: 10px;
  min-height: 210px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.62);
}

.oem-flow li:last-child {
  border-right: 0;
}

.oem-flow span {
  color: var(--red);
  font-size: 18px;
  letter-spacing: 0.08em;
}

.core-technology-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.core-technology-grid article {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 368px;
  padding: 26px;
  background: rgba(31, 36, 42, 0.9);
}

.core-technology-grid article:nth-child(n) {
  --tech-bg: none;
}

.core-technology-grid .core-tech-title {
  display: flex;
  align-items: center;
  gap: 13px;
}

.core-tech-title-link {
  color: inherit;
  text-decoration: none;
}

.core-tech-title-link:hover strong {
  color: var(--red-strong);
}

.core-tech-title-link:focus-visible {
  outline: 2px solid var(--red-strong);
  outline-offset: 4px;
}

.core-technology-grid .core-tech-icon {
  width: 46px;
  height: 46px;
  object-fit: contain;
  flex: 0 0 auto;
}

.core-technology-grid strong {
  color: var(--paper);
  font-family: var(--font-data);
  font-size: 23px;
  letter-spacing: 0.04em;
}

.core-technology-grid sup {
  color: var(--paper);
  font-size: 10px;
  vertical-align: super;
}

.core-technology-grid span {
  line-height: 1.72;
}

.core-technology-grid .core-tech-media {
  width: 100%;
  aspect-ratio: 1.28;
  height: auto;
  margin: auto 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #ecece7;
  box-sizing: border-box;
  padding: 12px;
}

.core-technology-grid .core-tech-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.core-tech-link {
  align-self: flex-start;
  margin-top: -4px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--red);
}

.core-tech-link:hover {
  color: var(--red-strong);
}

.core-tech-link > img {
  width: 19px;
  height: 19px;
  margin-right: 7px;
  object-fit: contain;
  vertical-align: -4px;
}

.core-tech-link sup {
  font-size: 0.58em;
  line-height: 0;
  vertical-align: super;
}

.hina-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
  min-height: min(690px, calc(100vh - 120px));
}

.hina-hero-copy h1 {
  margin: 14px 0 22px;
  font-size: clamp(48px, 6.4vw, 94px);
  line-height: 1.06;
}

.hina-hero-lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(18px, 1.65vw, 24px);
  line-height: 1.65;
}

.hina-hero-visual,
.hina-architecture-media,
.hina-evidence-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(31, 36, 42, 0.88);
}

.hina-hero-visual {
  min-height: 370px;
  padding: clamp(20px, 3vw, 48px);
  background: linear-gradient(135deg, rgba(25, 34, 44, 0.96), rgba(19, 20, 23, 0.92));
}

.hina-hero-visual img,
.hina-architecture-media img,
.hina-evidence-grid figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hina-page-hero:has(.deepspec-hero-visual) {
  position: relative;
  display: block;
  min-height: clamp(590px, 54vw, 740px);
  overflow: hidden;
  isolation: isolate;
  padding: clamp(52px, 7vw, 116px) clamp(34px, 5.2vw, 86px);
  background: #10161c;
}

.hina-page-hero:has(.deepspec-hero-visual)::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 12, 17, .94) 0%, rgba(7, 12, 17, .84) 31%, rgba(7, 12, 17, .28) 60%, rgba(7, 12, 17, .08) 100%),
    linear-gradient(0deg, rgba(5, 9, 13, .28), transparent 38%);
  pointer-events: none;
}

.hina-page-hero:has(.deepspec-hero-visual) .hina-hero-copy {
  position: relative;
  z-index: 2;
  max-width: min(590px, 60%);
}

.hina-page-hero:has(.deepspec-hero-visual) .hina-hero-copy h1,
.hina-page-hero:has(.deepspec-hero-visual) .hina-hero-copy .hina-hero-lead { color: #f5f7fa; }
.hina-page-hero:has(.deepspec-hero-visual) .hina-hero-copy .kicker { color: #ff443d; }
.hina-page-hero:has(.deepspec-hero-visual) .btn-ghost { border-color: rgba(245,247,250,.54); color: #f5f7fa; background: rgba(7,12,17,.16); }
.hina-page-hero:has(.deepspec-hero-visual) .btn-ghost:hover { border-color: #f5f7fa; background: rgba(245,247,250,.1); }

.deepspec-hero-visual {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  margin: 0;
  padding: 0;
  background: #111418;
}

.deepspec-hero-visual img { display: block; width: 100%; max-width: none; height: 100%; max-height: none; object-fit: cover; object-position: center; filter: none; }
.deepspec-analysis-media { padding: 22px; background: #f5f5f2; }
.deepspec-analysis-media img { object-fit: contain; }
.deepspec-evidence-media { background: #f5f5f2; }
.deepspec-evidence-media img { padding: 20px; background: #f5f5f2; }
.deepspec-highlight { color: inherit; font-weight: 700; text-decoration: none; }
.deepspec-library-section { grid-template-columns: minmax(0, 1fr); }
.deepspec-library-section .hina-optics-copy { max-width: 940px; }
.deepspec-evidence-grid { grid-template-columns: minmax(0, 1.18fr) minmax(250px, .82fr); }
.deepspec-spectrum-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.deepspec-spectrum-pair figure { display: grid; gap: 10px; min-height: 0; padding: 14px; background: #f5f5f2; border-color: #cbd2d4; }
.deepspec-spectrum-pair figure::after { content: none; }
.deepspec-spectrum-frame { display: block; height: 184px; overflow: hidden; background: #fff; }
.deepspec-spectrum-frame img { display: block; width: 100%; height: 116%; object-fit: cover; object-position: center bottom; transform: translateY(-5%); }
.deepspec-spectrum-pair figcaption { color: #354149; font-size: 13px; font-weight: 600; line-height: 1.55; }
.deepspec-video-qr { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; min-height: 104px; padding: 12px 16px; border: 1px solid #bdc7ca; background: linear-gradient(135deg, #f8faf9, #e7eceb); color: #263239; }
.deepspec-video-qr img { display: block; width: 78px; height: 78px; padding: 4px; background: #fff; image-rendering: pixelated; }
.deepspec-video-qr span { display: grid; gap: 4px; }
.deepspec-video-qr b { color: #172027; font-size: 15px; }
.deepspec-video-qr small { color: #59666d; font-size: 12px; line-height: 1.45; }

.hina-intro-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.35fr;
  gap: 24px 56px;
  align-items: start;
}

.hina-body-copy,
.hina-optics-copy p,
.hina-product-route p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hina-principles,
.hina-outcome-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hina-section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hina-intro-grid > .hina-section-actions {
  grid-column: 1 / -1;
  margin-top: 4px;
}

.hina-principles article,
.hina-outcome-grid article {
  display: grid;
  gap: 12px;
  min-height: 164px;
  padding: 26px;
  border: 1px solid var(--line);
  background: rgba(31, 36, 42, 0.84);
}

.hina-principles strong,
.hina-outcome-grid strong {
  color: var(--paper);
  font-size: 21px;
}

.hina-principles span,
.hina-outcome-grid span {
  color: var(--muted);
}

.hina-optics-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}

.hina-optics-copy h2,
.hina-evidence-section h2,
.hina-outcomes h2,
.hina-product-route h2 {
  margin: 12px 0 20px;
  font-size: clamp(34px, 3.8vw, 58px);
  line-height: 1.18;
}

.hina-optics-copy ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.hina-optics-copy li {
  color: var(--paper);
}

.hina-optics-copy li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--red);
}

.hina-architecture-media {
  min-height: 380px;
  padding: 16px;
}

.hina-evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(250px, 0.65fr);
  gap: 14px;
  align-items: stretch;
}

.hina-evidence-grid figure {
  min-height: 310px;
  padding: 12px;
  position: relative;
  overflow: hidden;
}

/* The source test chart includes an internal comparator label; retain its data while keeping the public page neutral. */
.hina-evidence-grid figure::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 75%;
  top: 80.8%;
  width: 6.8%;
  height: 4.8%;
  background: #090b0d;
}

.hina-evidence-copy {
  display: grid;
  align-content: center;
  gap: 20px;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  background: rgba(31, 36, 42, 0.84);
}

.hina-evidence-copy strong {
  color: var(--red-strong);
  font-family: var(--font-data);
  font-size: clamp(46px, 6vw, 78px);
  line-height: 1;
}

.hina-evidence-copy p {
  margin: 0;
  color: var(--paper);
  font-size: 18px;
  line-height: 1.7;
}

.hina-evidence-copy small {
  color: var(--steel);
  line-height: 1.65;
}

.hina-product-route {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(91, 18, 19, 0.32), rgba(31, 36, 42, 0.9) 52%);
}

.hina-product-route > div:first-child {
  max-width: 760px;
}

.hina-product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.atd-evidence-board {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.atd-evidence-group {
  min-width: 0;
}

.atd-evidence-group h3 {
  margin: 0 0 10px;
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

.atd-evidence-group-atd h3 {
  color: var(--red);
}

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

.atd-evidence-row figure {
  position: relative;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: rgba(31, 36, 42, 0.84);
}

.atd-evidence-row img {
  display: block;
  width: 100%;
  aspect-ratio: 1.43;
  object-fit: contain;
  background: #f5f5f2;
}


.atd-evidence-summary {
  display: grid;
  grid-template-columns: minmax(180px, 0.52fr) minmax(260px, 1fr);
  gap: 8px 32px;
  align-items: start;
  margin-top: 18px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  background: rgba(31, 36, 42, 0.84);
}

.atd-evidence-summary strong {
  grid-row: span 2;
  color: var(--red);
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1;
}

.atd-evidence-summary p,
.atd-evidence-summary small {
  margin: 0;
}

.atd-evidence-summary small {
  color: var(--muted);
}

.core-technology-grid article:nth-child(5) .core-tech-media img {
  object-position: left center;
}

.download-strip {
  display: grid;
  grid-template-columns: 1fr repeat(4, minmax(120px, 180px));
  gap: 14px;
  align-items: end;
}

.download-strip p {
  max-width: 620px;
}

.download-strip a {
  min-height: 74px;
  border-color: var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.about-grid div {
  display: grid;
  gap: 12px;
  min-height: 168px;
  padding: 28px;
  background: rgba(36, 42, 49, 0.7);
}

.about-grid strong {
  color: var(--paper);
  font-size: 22px;
}

.about-page main {
  overflow: hidden;
}

.about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  align-items: stretch;
  min-height: min(720px, calc(100vh - 82px));
  padding: clamp(70px, 10vw, 150px) var(--side);
  color: var(--paper);
  background:
    linear-gradient(90deg, rgba(12, 14, 18, 0.98) 0%, rgba(12, 14, 18, 0.9) 45%, rgba(12, 14, 18, 0.35) 100%),
    url("assets/site-scenes/company-production-line.png") center / cover;
}

.about-hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 780px;
}

.about-hero h1 {
  margin: 0 0 28px;
  max-width: 900px;
  font-size: clamp(52px, 6.6vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.about-hero h1 span {
  color: var(--red);
}

.about-hero-copy > p:not(.kicker) {
  max-width: 620px;
  margin-bottom: 34px;
  color: #d1d7dc;
  font-size: 18px;
}

.about-hero-mark {
  display: grid;
  align-content: end;
  justify-items: end;
  padding: 24px 0;
  color: rgba(244, 246, 247, 0.58);
  font-family: var(--font-data);
  text-align: right;
}

.about-hero-mark span {
  color: var(--red);
  font-size: clamp(90px, 13vw, 190px);
  font-weight: 800;
  line-height: 0.72;
}

.about-hero-mark strong {
  margin-top: 22px;
  font-size: 14px;
  letter-spacing: 0.13em;
  line-height: 1.35;
}

.about-intro {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(48px, 9vw, 150px);
  align-items: start;
}

.about-intro h2,
.about-process h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 68px);
  line-height: 1.05;
}

.about-intro-copy {
  display: grid;
  gap: 18px;
  max-width: 680px;
}

.about-intro-copy p {
  margin: 0;
  font-size: 19px;
  line-height: 1.85;
}

.about-emphasis {
  display: inline;
  color: var(--paper);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 7px;
  white-space: nowrap;
}

.about-quality {
  padding-top: clamp(76px, 10vw, 136px);
  padding-bottom: clamp(76px, 10vw, 136px);
  background: linear-gradient(120deg, rgba(75, 15, 18, 0.32), rgba(23, 26, 31, 0.94) 42%, rgba(23, 26, 31, 0.94));
}

.about-quality .section-head { max-width: 760px; }
.about-quality .section-head p:not(.kicker) { max-width: 620px; }

.about-quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
  border: 1px solid var(--line);
}

.about-quality-grid article {
  min-height: 226px;
  padding: 30px;
  border-right: 1px solid var(--line);
  background: rgba(10, 12, 15, 0.22);
}

.about-quality-grid article:last-child { border-right: 0; }
.about-quality-grid span { color: var(--red); font-family: var(--font-data); font-weight: 800; }
.about-quality-grid h3 { margin: 48px 0 14px; color: var(--paper); font-size: 25px; }
.about-quality-grid p { margin: 0; font-size: 15px; }

.about-quality-conclusion {
  max-width: 920px;
  margin: 38px 0 0;
  color: var(--paper);
  font-size: clamp(20px, 2.1vw, 29px);
  font-weight: 700;
  line-height: 1.55;
}

.about-history {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(44px, 8vw, 120px);
  align-items: start;
  background: linear-gradient(135deg, rgba(58, 16, 18, 0.24), transparent 45%);
}

.about-history-heading {
  position: sticky;
  top: 112px;
}

.about-history-heading h2 {
  margin: 0 0 24px;
  font-size: clamp(36px, 4vw, 62px);
  line-height: 1.08;
}

.about-history-heading > p:not(.kicker) { max-width: 410px; }

.about-line-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 32px;
}

.about-line-link {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  color: var(--paper);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.about-line-link:hover { border-color: rgba(238, 49, 53, 0.7); background: rgba(238, 49, 53, 0.08); transform: translateY(-2px); }
.about-line-link img { width: 100%; aspect-ratio: 1.16; object-fit: contain; background: #172637; }
.about-line-link span { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; font-weight: 700; line-height: 1.35; }
.about-line-link i { color: var(--red); font-size: 18px; font-style: normal; line-height: .85; }

.about-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-timeline li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.about-timeline time {
  color: var(--red);
  font-family: var(--font-data);
  font-size: 25px;
  font-weight: 800;
}

.about-timeline strong { color: var(--paper); font-size: 19px; }
.about-timeline p { margin: 8px 0 0; font-size: 15px; }

.about-history-note {
  grid-column: 2;
  padding: 18px 22px;
  border-left: 3px solid var(--red);
  color: #cbd2d8;
  background: rgba(244, 246, 247, 0.05);
  font-size: 14px;
  line-height: 1.7;
}

.about-manual-timeline {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 16px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.about-manual-timeline img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.94;
  filter: saturate(0.82) contrast(1.06);
}

.about-history-product-lines {
  grid-column: 1 / -1;
  margin-top: clamp(44px, 7vw, 90px);
  padding: clamp(48px, 7vw, 88px);
}

.about-manual-product-lines {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 7vw, 100px);
  align-items: center;
  background: linear-gradient(90deg, rgba(43, 13, 15, 0.24), transparent 58%);
}

.about-product-line-copy h2 {
  margin: 0 0 22px;
  font-size: clamp(36px, 4vw, 60px);
  line-height: 1.05;
}

.about-product-line-copy p:not(.kicker) { max-width: 430px; }

.about-manual-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--line);
}

.about-manual-product-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 1.1;
  padding: 14px;
  object-fit: contain;
  background: #202428;
  filter: drop-shadow(0 12px 14px rgba(0, 0, 0, 0.28));
}

.about-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.about-capability-grid article {
  min-height: 260px;
  padding: 30px;
  border-right: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(46, 53, 61, 0.62), rgba(23, 26, 30, 0.74));
}

.about-capability-grid article:last-child { border-right: 0; }
.about-capability-grid span { color: var(--red); font-family: var(--font-data); font-weight: 800; }
.about-capability-grid h3 { margin: 48px 0 14px; color: var(--paper); font-size: 25px; }
.about-capability-grid p { margin: 0; font-size: 15px; }

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

.about-domain-grid article {
  display: grid;
  align-content: end;
  aspect-ratio: 0.84;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(0deg, rgba(9, 11, 14, 0.92), rgba(9, 11, 14, 0.08) 75%), var(--domain-image) center / cover;
}

.about-domain-grid strong { color: #fff; font-size: 26px; }
.about-domain-grid span { margin-top: 8px; color: #d0d7dc; line-height: 1.5; }
.domain-field { --domain-image: url("assets/site-scenes/app-forensic-light.png"); }
.domain-process { --domain-image: url("assets/site-scenes/pat-reactor-light.png"); }
.domain-lab { --domain-image: url("assets/site-scenes/app-materials-light.png"); }
.domain-oem { --domain-image: url("assets/site-scenes/company-deepiot-deployment.png"); }

.about-process {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(44px, 8vw, 120px);
  align-items: start;
}

.about-process-heading > p:not(.kicker) { max-width: 420px; margin-top: 24px; }

.about-process-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-process-list li {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 22px;
  align-items: center;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
}

.about-process-list b { color: var(--red); font-family: var(--font-data); font-size: 17px; }
.about-process-list span { color: var(--paper); font-size: 21px; font-weight: 700; }
.about-process-list small { color: var(--muted); font-size: 13px; font-weight: 400; }

.about-cta {
  margin-top: 34px;
  padding-top: clamp(70px, 10vw, 144px);
  padding-bottom: clamp(70px, 10vw, 144px);
  border: 0;
  text-align: center;
  background: linear-gradient(120deg, #3d0f11, #21181a 50%, #131619);
}

.about-cta h2 { margin: 0 auto 34px; color: var(--paper); font-size: clamp(42px, 5.2vw, 76px); line-height: 1.04; }

@media (max-width: 900px) {
  .about-hero { grid-template-columns: 1fr; min-height: 620px; }
  .about-hero-mark { display: none; }
  .about-intro, .about-history, .about-process { grid-template-columns: 1fr; gap: 36px; }
  .about-history-heading { position: static; }
  .about-line-links { max-width: 520px; }
  .about-history-note { grid-column: auto; }
  .about-manual-product-lines { grid-template-columns: 1fr; gap: 34px; }
  .about-capability-grid, .about-domain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-quality-grid { grid-template-columns: 1fr; }
  .about-quality-grid article, .about-quality-grid article:last-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .about-quality-grid article:last-child { border-bottom: 0; }
  .about-capability-grid article:nth-child(2) { border-right: 0; }
  .about-capability-grid article:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 560px) {
  .about-hero { min-height: 560px; padding-top: 74px; padding-bottom: 74px; }
  .about-hero h1 { font-size: 49px; }
  .about-capability-grid, .about-domain-grid { grid-template-columns: 1fr; }
  .about-capability-grid article, .about-capability-grid article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .about-capability-grid article:last-child { border-bottom: 0; }
  .about-domain-grid article { aspect-ratio: 1.5; }
  .about-manual-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.about-manual-timeline { grid-template-columns: 1fr; }
}

/* OEM page: quality-led integration narrative */
.oem-page { overflow: hidden; }

.oem-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr);
  align-items: center;
  min-height: min(760px, calc(100vh - 80px));
  padding: clamp(90px, 11vw, 160px) clamp(32px, 6vw, 96px) clamp(72px, 8vw, 112px);
  background-image: linear-gradient(90deg, rgba(12, 15, 18, .98) 0%, rgba(12, 15, 18, .91) 40%, rgba(12, 15, 18, .28) 74%, rgba(12, 15, 18, .1) 100%), url("assets/oem-hero-quality-lab-v01.png");
  background-position: center, center;
  background-size: cover;
}

.oem-hero::before, .oem-hero::after { content: ""; position: absolute; pointer-events: none; }
.oem-hero::before { inset: 0; opacity: .52; background-image: linear-gradient(rgba(255,255,255,.042) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.042) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg, #000 0%, transparent 75%); }
.oem-hero::after { width: 48%; height: 2px; left: 0; bottom: 0; background: var(--red); }
.oem-hero-copy, .oem-hero-visual { position: relative; z-index: 1; }
.oem-hero-copy { max-width: 680px; }
.oem-hero h1 { margin: 16px 0 26px; color: var(--paper); font-size: clamp(48px, 6vw, 86px); line-height: .99; letter-spacing: -.055em; }
.oem-hero h1 span { color: var(--red); }
.oem-hero-copy > p:not(.kicker) { max-width: 570px; margin: 0; font-size: clamp(18px, 1.55vw, 22px); line-height: 1.78; }
.oem-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 40px; }
.text-link { display: inline-flex; gap: 11px; align-items: center; color: var(--paper); font-size: 14px; font-weight: 700; }
.text-link i { color: var(--red); font-size: 18px; font-style: normal; }

.oem-hero-visual { min-height: 500px; overflow: hidden; isolation: isolate; }
.oem-hero-visual::before { content: ""; position: absolute; inset: 8% 0 4% 9%; border: 1px solid rgba(244,246,247,.14); background: linear-gradient(135deg, rgba(90, 22, 24, .46), rgba(16, 19, 23, .18)); transform: none; }
.oem-hero-module, .oem-hero-spectrum { position: absolute; z-index: 1; object-fit: contain; filter: drop-shadow(0 32px 28px rgba(0,0,0,.44)); }
.oem-hero-module { width: min(410px, 72%); right: 2%; top: 2%; transform: rotate(-7deg); }
.oem-hero-spectrum { width: min(660px, 96%); right: 2%; top: 3%; transform: rotate(-4deg); }
.oem-hero-annotation { position: absolute; z-index: 2; color: #f4f6f7; font: 700 11px/1.35 var(--font-data); letter-spacing: .13em; }
.annotation-module { top: 10%; left: 5%; }.annotation-spectrum { right: 7%; bottom: 9%; text-align: right; }

.oem-intro { display: grid; grid-template-columns: minmax(280px, .92fr) minmax(0, 1.08fr); gap: clamp(54px, 10vw, 165px); align-items: start; background: linear-gradient(90deg, rgba(80,13,16,.28), transparent 52%); }
.oem-intro h2, .oem-quality h2 { margin: 15px 0 0; color: var(--paper); font-size: clamp(38px, 4.25vw, 64px); line-height: 1.08; }
.oem-intro-copy { display: grid; gap: 17px; max-width: 720px; }
.oem-intro-copy p { margin: 0; font-size: clamp(18px, 1.5vw, 21px); line-height: 1.8; }

.oem-scope { background: #111417; }
.oem-scope .section-head { max-width: 720px; }
.oem-scope-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 54px; border: 1px solid var(--line); }
.oem-scope-grid article { position: relative; min-height: 310px; padding: 30px; border-right: 1px solid var(--line); background: linear-gradient(145deg, rgba(244,246,247,.04), transparent 58%); }
.oem-scope-grid article:last-child { border-right: 0; }
.oem-scope-grid article span, .oem-process-list > li > span { color: var(--red); font: 800 20px var(--font-data); }
.oem-scope-grid h3 { margin: 70px 0 13px; color: var(--paper); font-size: 25px; }.oem-scope-grid p { max-width: 340px; margin: 0; line-height: 1.75; }.oem-scope-grid small { position: absolute; left: 30px; bottom: 27px; color: #aeb8c1; font: 700 10px var(--font-data); letter-spacing: .1em; }

.oem-quality { display: grid; grid-template-columns: minmax(330px, .92fr) minmax(0, 1.08fr); gap: clamp(46px, 9vw, 145px); align-items: center; background: linear-gradient(110deg, #1b1012, #15181c 55%, #121416); }
.oem-quality-art { position: relative; min-height: 500px; overflow: hidden; border: 1px solid rgba(244,246,247,.12); background: radial-gradient(circle at 50% 52%, rgba(172,35,39,.22), transparent 54%), #111417; }
.oem-quality-art::after { content: "QUALITY\A CONTROL"; white-space: pre; position: absolute; right: 21px; bottom: 18px; color: rgba(244,246,247,.76); font: 700 11px/1.35 var(--font-data); letter-spacing: .14em; text-align: right; }
.oem-quality-art img { width: 100%; height: 100%; object-fit: cover; opacity: .86; mix-blend-mode: screen; }
.oem-quality-copy > p:not(.kicker) { max-width: 650px; margin: 23px 0 0; font-size: 17px; line-height: 1.82; }
.oem-quality-copy ul { display: grid; gap: 0; margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.oem-quality-copy li { display: grid; grid-template-columns: minmax(150px, .38fr) 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }.oem-quality-copy strong { color: var(--paper); font-size: 16px; }.oem-quality-copy span { font-size: 14px; line-height: 1.65; }

.oem-process { background: linear-gradient(90deg, rgba(85,16,19,.2), transparent 46%); }.oem-process .section-head { max-width: 735px; }
.oem-process-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 52px 0 0; padding: 0; list-style: none; border: 1px solid var(--line); }
.oem-process-list li { display: grid; grid-template-rows: auto 1fr auto; gap: 55px; min-height: 335px; padding: 29px 25px; border-right: 1px solid var(--line); background: rgba(14,16,19,.38); }.oem-process-list li:last-child { border-right: 0; }.oem-process-list h3 { margin: 0 0 12px; color: var(--paper); font-size: 21px; line-height: 1.25; }.oem-process-list p { margin: 0; font-size: 14px; line-height: 1.7; }.oem-process-list em { color: var(--red); font: 700 10px var(--font-data); letter-spacing: .14em; font-style: normal; }

.oem-platforms { background: #111417; }.oem-platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }.oem-platform-card { display: grid; grid-template-rows: 242px auto auto auto; gap: 10px; padding: 18px; border: 1px solid var(--line); color: var(--paper); background: rgba(244,246,247,.025); transition: transform .2s ease, border-color .2s ease, background .2s ease; }.oem-platform-card:hover { transform: translateY(-5px); border-color: rgba(238,49,53,.75); background: rgba(238,49,53,.06); }.oem-platform-media { display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 50% 55%, rgba(123,44,47,.26), transparent 54%), #1b2025; }.oem-platform-media img { max-width: 88%; max-height: 88%; object-fit: contain; filter: drop-shadow(0 18px 18px rgba(0,0,0,.48)); }.oem-platform-card small { color: var(--red); font: 700 11px var(--font-data); letter-spacing: .11em; }.oem-platform-card strong { font-size: 22px; }.oem-platform-card em { display: flex; justify-content: space-between; color: #bdc4c9; font-size: 13px; font-style: normal; }.oem-platform-card em i { color: var(--red); font-size: 18px; font-style: normal; }
.oem-cta { text-align: center; background: linear-gradient(120deg, #361214, #16191d 58%); }.oem-cta h2 { margin: 17px auto 32px; color: var(--paper); font-size: clamp(40px, 5vw, 72px); line-height: 1.06; }

@media (max-width: 900px) {
  .oem-hero, .oem-intro, .oem-quality { grid-template-columns: 1fr; }.oem-hero { min-height: auto; gap: 26px; padding-left: clamp(28px, 7vw, 58px); padding-right: clamp(28px, 7vw, 58px); }.oem-hero-visual { min-height: 350px; max-width: 620px; width: 100%; margin: 0 auto; }.oem-hero-visual::before { inset: 10% 8% 9%; transform: none; }.oem-hero-spectrum { width: min(495px, 96%); right: 50%; top: 2%; transform: translateX(50%) rotate(-3deg); }.annotation-module { top: 12%; left: 10%; }.annotation-spectrum { right: 10%; bottom: 10%; }.oem-scope-grid, .oem-platform-grid { grid-template-columns: 1fr; }.oem-scope-grid article { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }.oem-scope-grid article:last-child { border-bottom: 0; }.oem-process-list { grid-template-columns: 1fr; }.oem-process-list li { min-height: 0; grid-template-columns: 64px 1fr auto; grid-template-rows: 1fr; gap: 15px; border-right: 0; border-bottom: 1px solid var(--line); }.oem-process-list li:last-child { border-bottom: 0; }.oem-platform-card { grid-template-rows: 270px auto auto auto; }.oem-quality-art { min-height: 400px; }.oem-quality-copy li { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 560px) {
  .oem-hero { padding-top: 98px; }.oem-hero h1 { font-size: 47px; }.oem-hero-visual { min-height: 270px; }.oem-hero-spectrum { width: 93%; }.oem-process-list li { grid-template-columns: 44px 1fr; }.oem-process-list em { grid-column: 2; }.oem-quality-art { min-height: 280px; }.oem-platform-card { grid-template-rows: 220px auto auto auto; }
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1fr);
  gap: 56px;
  align-items: start;
}

.standalone-page {
  min-height: calc(100vh - 128px);
  padding-top: 112px;
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.7fr);
  gap: 54px;
  align-items: center;
}

.product-detail-hero h1 {
  max-width: 780px;
}

.detail-visual {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  min-height: 420px;
  place-items: center;
  border: 1px solid var(--line);
  background-color: #111418;
  background-image:
    linear-gradient(90deg, rgba(13, 15, 18, 0.88), rgba(13, 15, 18, 0.36) 44%, rgba(13, 15, 18, 0.74)),
    linear-gradient(180deg, rgba(31, 37, 44, 0.14), rgba(31, 37, 44, 0) 42%),
    var(--detail-bg, url("assets/site-scenes-clean/clean-detail-spectral.png"));
  background-size: 132%;
  background-position: center;
}

.detail-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 72% 24%, rgba(210, 220, 230, 0.08), transparent 30%),
    linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.34));
  pointer-events: none;
}

.detail-visual img {
  position: relative;
  z-index: 1;
  width: auto;
  height: auto;
  max-width: 84%;
  max-height: 390px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--detail-product-scale, 1));
  transform-origin: center;
  filter: drop-shadow(0 28px 42px rgba(0, 0, 0, 0.42));
}

.detail-visual:not(.has-detail-gallery) > .detail-gallery-track {
  display: grid;
  width: 100%;
  justify-items: center;
}

.detail-visual:not(.has-detail-gallery) > .detail-gallery-track > img {
  justify-self: center;
  margin-inline: auto;
}

#detail-technology-link[hidden] {
  display: none;
}

.detail-visual.has-detail-gallery {
  display: block;
  padding: 0;
}

.detail-gallery-track {
  position: relative;
  z-index: 1;
}

.detail-visual.has-detail-gallery .detail-gallery-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.detail-visual.has-detail-gallery img {
  display: block;
  flex: 0 0 100%;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  min-height: 0;
  box-sizing: border-box;
  border: 1px solid var(--line);
  object-fit: cover;
  transform: none;
  filter: none;
}

.detail-gallery-controls {
  position: absolute;
  z-index: 3;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(11, 13, 16, 0.78);
  backdrop-filter: blur(8px);
}

.detail-gallery-controls[hidden] {
  display: none;
}

.detail-gallery-controls button {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 0;
  color: var(--paper);
  font-size: 18px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
}

.detail-gallery-controls button:hover,
.detail-gallery-controls button:focus-visible {
  background: #d98755;
  outline: none;
}

.detail-gallery-controls span {
  min-width: 34px;
  color: var(--paper);
  font-size: 12px;
  text-align: center;
}

.detail-description-card {
  margin-top: 34px;
  padding: 30px 34px;
  border: 1px solid var(--line);
  background: rgba(27, 31, 36, 0.88);
}

.detail-description-card p:last-child {
  margin: 12px 0 0;
  max-width: 1120px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.microram-evidence {
  margin-top: 58px;
}

.microram-evidence[hidden] {
  display: none;
}

.microram-evidence .section-head > p:last-child {
  max-width: 800px;
  color: var(--muted);
  line-height: 1.75;
}

.microram-optical-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #181c21;
}

.microram-copy {
  padding: 42px 34px;
  background: linear-gradient(155deg, #242b33, #15191e 76%);
}

.eyebrow {
  margin: 0 0 10px;
  color: #d98755;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.microram-optical-card h3,
.microram-reception h3,
.microram-cases h3 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
}

.microram-optical-card ol {
  display: grid;
  gap: 20px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: optical-step;
}

.microram-optical-card li {
  display: grid;
  grid-template-columns: 38px 1fr;
  column-gap: 12px;
  color: var(--muted);
  line-height: 1.65;
}

.microram-optical-card li::before {
  content: counter(optical-step, decimal-leading-zero);
  counter-increment: optical-step;
  color: #d98755;
  font-weight: 700;
}

.microram-optical-card li strong,
.microram-optical-card li span {
  grid-column: 2;
}

.microram-optical-card li strong {
  color: var(--paper);
}

.microram-optical-card figure,
.microram-image-pair figure,
.microram-case figure {
  margin: 0;
}

.microram-optical-card figure {
  display: grid;
  min-height: 100%;
  background: #ede7df;
}

.microram-optical-card figure img {
  width: 100%;
  height: 100%;
  min-height: 390px;
  object-fit: cover;
}

.microram-optical-card figcaption,
.microram-image-pair figcaption,
.microram-case figcaption {
  color: var(--muted);
  font-size: 13px;
}

.microram-optical-card figcaption {
  padding: 12px 18px;
  background: #171b20;
}

.microram-reception {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: 42px;
  align-items: center;
  margin-top: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.microram-reception > div > p:last-child {
  color: var(--muted);
  line-height: 1.75;
}

.microram-image-pair,
.microram-case-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.microram-image-pair figure,
.microram-case figure {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(12, 15, 18, 0.56);
}

.microram-image-pair img,
.microram-case img {
  display: block;
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
}

.microram-image-pair figcaption,
.microram-case figcaption {
  padding: 9px 2px 1px;
}

.microram-cases {
  margin-top: 52px;
}

.microram-cases .section-head.compact {
  margin-bottom: 22px;
}

.microram-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.microram-case {
  padding: 26px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.microram-case-wide {
  grid-column: 1 / -1;
}

.microram-case-meta {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.microram-case-meta > span {
  color: #d98755;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.microram-case h4 {
  margin: 0;
  font-size: 21px;
}

.microram-case-meta p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.microram-case-wide .microram-case-images figure:last-child img {
  object-fit: contain;
  background: #fff;
}

.microram-case:not(.microram-case-wide) .microram-case-images figure:last-child {
  border-color: rgba(255, 255, 255, 0.75);
  background: #fff;
}

.microram-case:not(.microram-case-wide) .microram-case-images figure:last-child img {
  background: #fff;
  object-fit: contain;
}

.microram-case:not(.microram-case-wide) .microram-case-images figure:last-child figcaption {
  color: #62676d;
}

.blade-evidence {
  margin-top: 58px;
}

.blade-evidence[hidden] {
  display: none;
}

.blade-intro {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: 34px;
  padding: 40px 40px 34px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 87% 16%, rgba(195, 71, 53, 0.2), transparent 30%),
    linear-gradient(135deg, #252b32, #12161a 68%);
}

.blade-intro h2 {
  margin: 8px 0 14px;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
}

.blade-intro p {
  max-width: 600px;
  color: var(--muted);
  line-height: 1.75;
}

.blade-intro ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.blade-intro li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.blade-intro li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 6px;
  background: #d98755;
  transform: rotate(45deg);
}

.blade-product-views {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 12px;
  align-items: end;
}

.blade-product-views figure {
  display: grid;
  margin: 0;
  min-height: 360px;
  padding: 20px 18px 0;
  place-items: end center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(160deg, rgba(10, 12, 15, 0.18), rgba(6, 8, 10, 0.7));
}

.blade-product-views img {
  display: block;
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
  filter: drop-shadow(0 20px 20px rgba(0, 0, 0, 0.42));
}

.blade-product-views figcaption {
  width: 100%;
  margin-top: 14px;
  padding: 11px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.blade-capability-head {
  margin: 54px 0 22px;
}

.blade-capability-head h3 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
}

.blade-capability-grid {
  display: grid;
  gap: 18px;
}

.blade-capability-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.74fr) minmax(0, 1.26fr);
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.blade-capability-copy {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 30px;
  background: rgba(17, 21, 25, 0.72);
}

.blade-capability-copy h3 {
  margin: 2px 0 12px;
  font-size: 27px;
}

.blade-capability-copy > p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.blade-video-qr {
  display: flex;
  gap: 13px;
  align-items: center;
  margin-top: auto;
  padding-top: 24px;
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
}

.blade-video-qr img {
  width: 82px;
  height: 82px;
  padding: 4px;
  background: #fff;
  image-rendering: pixelated;
}

.blade-spectrum-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
}

.blade-spectrum-pair figure {
  display: flex;
  min-width: 0;
  margin: 0;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #fff;
}

.blade-spectrum-pair img {
  display: block;
  width: 100%;
  min-height: 190px;
  flex: 1;
  object-fit: contain;
}

.blade-spectrum-pair figcaption {
  padding: 9px 10px;
  border-top: 1px solid #ddd;
  color: #62676d;
  font-size: 13px;
}

.family-paths,
.family-overview-grid,
.product-family-index,
.family-task-grid,
.family-series-grid,
.family-support-grid {
  display: grid;
  gap: 18px;
}

.family-paths {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 36px 0 30px;
}

.products-overview .family-paths {
  display: none;
}

.family-paths article,
.family-task-grid a,
.family-doc-card,
.product-family-index a {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.64);
}

.family-task-grid a {
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.family-task-grid a:hover {
  border-color: var(--red);
  background: rgba(41, 49, 57, 0.86);
  transform: translateY(-2px);
}

.family-paths span,
.family-task-grid span {
  color: var(--red);
  font-family: var(--font-data);
  font-size: 18px;
  letter-spacing: 0.08em;
  line-height: 1;
}

.family-paths strong,
.family-task-grid strong,
.family-doc-card strong,
.product-family-index strong {
  color: var(--paper);
  font-size: 18px;
}

.family-paths small,
.family-task-grid small,
.family-doc-card span,
.product-family-index span {
  color: var(--muted);
}

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

.family-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.82fr) minmax(0, 1fr);
  min-height: 360px;
  border: 1px solid var(--line);
  background: rgba(28, 34, 40, 0.74);
}

.family-card-media,
.family-visual {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background-color: rgba(18, 19, 21, 0.58);
  background-image:
    linear-gradient(135deg, rgba(12, 14, 17, 0.78), rgba(12, 14, 17, 0.18) 52%, rgba(12, 14, 17, 0.44)),
    var(--family-bg, url("assets/site-scenes-clean/clean-spectral-dark.png"));
  background-size: 136%;
  background-position: center;
}

.family-card-media img {
  width: 100%;
  height: 188px;
  max-width: 88%;
  max-height: 188px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--product-scale, 1));
  transform-origin: center;
}

.family-card-copy {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 28px;
}

.family-card-copy h2,
.family-card-copy p {
  margin: 0;
}

.family-card-copy h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.family-card-copy p,
.family-meta {
  color: var(--muted);
}

.family-meta {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.product-family-index-wrap {
  margin-top: 64px;
}

.product-family-index {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.family-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 0.7fr);
  gap: 54px;
  align-items: center;
}

.family-hero h1 {
  margin-bottom: 16px;
}

.family-type {
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-size: 18px;
  letter-spacing: 0.04em;
}

.family-hero p {
  max-width: 820px;
}

.family-visual {
  min-height: 380px;
  border: 1px solid var(--line);
}

.family-visual img {
  width: 84%;
  height: 84%;
  max-height: 340px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--detail-product-scale, 1));
  transform-origin: center;
}

.family-section {
  margin-top: 64px;
}

.family-task-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.scenario-model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.scenario-model-card,
.scenario-notice {
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.scenario-model-card {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 184px;
  padding: 24px;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.scenario-model-card:hover {
  border-color: var(--red);
  background: rgba(41, 49, 57, 0.9);
  transform: translateY(-2px);
}

.scenario-model-card > span {
  color: var(--red);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.scenario-model-card strong {
  color: var(--paper);
  font-size: 23px;
}

.scenario-model-card small {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.scenario-model-card b {
  margin-top: auto;
  color: var(--paper);
  font-size: 14px;
}

.scenario-notice {
  margin-top: 48px;
  padding: 28px;
}

.scenario-notice strong {
  color: var(--paper);
  font-size: 22px;
}

.scenario-notice p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
}

.family-series-grid .series-card {
  min-height: 0;
}

.family-series-grid .series-copy h3 {
  margin: 0;
  color: var(--paper);
  font-size: 28px;
}

.family-compare-wrap {
  max-width: 100%;
}

.family-compare-table {
  min-width: 1180px;
}

.family-compare-table td:first-child {
  color: var(--paper);
}

.family-compare-table td:first-child small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.family-support-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
  margin-top: 48px;
}

.family-support-grid > article {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.family-support-grid h2 {
  margin-top: 0;
  font-size: 28px;
}

.family-doc-grid {
  display: grid;
  gap: 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.detail-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.detail-grid h2 {
  font-size: 28px;
}

.detail-grid ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.detail-list-group + .detail-list-group {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.detail-list-group h3 {
  margin: 0 0 14px;
  color: var(--paper);
  font-size: 20px;
}

.detail-grid dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.detail-grid dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.detail-grid dt,
.detail-grid dd {
  margin: 0;
}

.detail-grid dt {
  color: var(--muted);
}

.detail-models,
.detail-related {
  margin-top: 48px;
}

.detail-models[hidden] {
  display: none;
}

.model-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.model-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.model-table.is-spectral-models {
  min-width: 1280px;
}

.model-table th,
.model-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.model-table tr:last-child th,
.model-table tr:last-child td {
  border-bottom: 0;
}

.model-table th {
  width: 180px;
  color: var(--paper);
  background: rgba(18, 19, 21, 0.28);
  font-size: 15px;
}

.model-table.is-spectral-models th {
  width: auto;
  min-width: 98px;
  padding: 12px 10px;
  font-size: 13px;
  line-height: 1.45;
}

.model-table.is-spectral-models th:nth-child(1),
.model-table.is-spectral-models th:nth-child(3) {
  min-width: 150px;
}

.model-table.is-spectral-models th:nth-child(2) {
  min-width: 108px;
}

.model-table.is-spectral-models th:nth-child(4),
.model-table.is-spectral-models th:nth-child(5) {
  min-width: 138px;
}

.model-table td {
  color: var(--muted);
  font-size: 14px;
}

.model-table.is-spectral-models td {
  padding: 12px 10px;
  font-size: 12px;
  line-height: 1.5;
}

.focal-cell {
  min-width: 112px;
}

.focal-measure {
  display: grid;
  grid-template-columns: 2.5em max-content;
  column-gap: 6px;
  align-items: baseline;
  white-space: nowrap;
}

.focal-measure + .focal-measure {
  margin-top: 3px;
}

.focal-measure b {
  color: var(--steel);
  font: inherit;
  font-weight: 400;
}

.model-entry {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: var(--paper);
}

.model-entry strong,
.model-entry small {
  display: block;
}

.product-term-lock.product-term-lock {
  display: inline;
  color: inherit;
  font: inherit;
  font-style: inherit;
  font-variant: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  white-space: nowrap;
}

.model-entry small {
  margin-top: 2px;
  color: var(--steel);
  font-size: 11px;
}

.model-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 38px;
  border: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.36);
}

.model-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 4px;
  object-fit: contain;
}

.model-code-link {
  color: var(--paper);
  font-weight: 700;
}

.model-entry:hover strong,
.model-code-link:hover {
  color: var(--red-strong);
}

.detail-related {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.detail-related article {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.68);
}

.detail-related h2 {
  margin-top: 0;
  font-size: 28px;
}

.related-list {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.related-card {
  display: grid;
  flex: 0 0 min(280px, 78vw);
  grid-template-rows: 164px 1fr;
  border: 1px solid var(--line);
  background: rgba(18, 19, 21, 0.24);
  transition: border-color 180ms ease, background 180ms ease;
}

.related-card:hover {
  border-color: var(--red);
  background: rgba(232, 32, 24, 0.12);
}

.related-thumb {
  display: grid;
  place-items: center;
  min-height: 164px;
  padding: 12px 14px;
}

.related-thumb img {
  width: 100%;
  height: 140px;
  max-width: 100%;
  max-height: 140px;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--product-scale, 1));
  transform-origin: center;
}

.app-thumb {
  color: rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(135deg, rgba(20, 24, 29, 0.68), rgba(18, 19, 21, 0.18) 52%, rgba(18, 19, 21, 0.76)),
    var(--app-bg, url("assets/site-scenes/motif-process-dark.png")),
    linear-gradient(90deg, rgba(244, 246, 247, 0.05) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(0deg, rgba(244, 246, 247, 0.05) 1px, transparent 1px) 0 0 / 28px 28px,
    #20262c;
  background-size: cover, cover, 28px 28px, 28px 28px, auto;
  background-position: center;
  font-weight: 900;
  text-align: center;
}

.related-copy {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 14px;
}

.related-copy small {
  display: grid;
  gap: 4px;
}

.related-copy small span:first-child {
  color: var(--steel);
  font-weight: 700;
}

.related-copy small span:last-child {
  color: var(--muted);
  line-height: 1.55;
}

.related-list strong {
  color: var(--paper);
}

.related-list small {
  color: var(--muted);
  font-size: 13px;
}

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

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.contact-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  color: var(--paper);
  border: 1px solid var(--line);
  background: rgba(36, 42, 49, 0.66);
}

.contact-form input::placeholder {
  color: #737c86;
}

.contact-form button {
  align-self: end;
  border: 0;
  cursor: pointer;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1fr);
  gap: 26px 42px;
  padding: 36px var(--side);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-brand {
  display: grid;
  gap: 8px;
}

.footer-brand strong {
  color: var(--paper);
  font-size: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  justify-content: flex-end;
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--paper);
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1180px) {
  .main-nav {
    gap: 16px;
    font-size: 13px;
  }

  .hero,
  .selector-layout,
  .section-head-row,
  .technology-section,
  .contact-section,
  .download-strip,
  .product-detail-hero,
  .family-hero,
  .family-card,
  .family-support-grid,
  .detail-grid,
  .detail-related {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .series-grid,
  .family-overview-grid,
  .family-task-grid,
  .family-series-grid,
  .scenario-model-grid,
  .product-family-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .banner-slide {
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
    gap: 24px;
    padding: 26px 40px 52px;
    min-height: 0;
  }

  .banner-copy h1 {
    font-size: clamp(34px, 4.6vw, 44px);
  }

  .hero-keywords {
    font-size: 16px;
  }

  .instrument-stage {
    min-height: 350px;
  }

  .banner-visual {
    min-height: 310px;
  }

  .oem-flow {
    grid-template-columns: 1fr;
  }

  .oem-flow li {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .microram-optical-card,
  .microram-reception,
  .blade-intro,
  .blade-capability-card {
    grid-template-columns: 1fr;
  }

  .microram-optical-card figure img {
    min-height: 0;
    max-height: 560px;
    object-fit: cover;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    min-height: 76px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-breadcrumb {
    top: 76px;
  }

  .header-action {
    display: none;
  }

  .nav-toggle {
    justify-self: end;
    display: grid;
    gap: 6px;
    width: 44px;
    height: 44px;
    place-content: center;
    border: 1px solid var(--line);
    background: transparent;
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--paper);
  }

  .main-nav {
    display: none;
    grid-column: 1 / -1;
    justify-content: start;
    width: 100%;
  }

  .main-nav.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

  .main-nav a {
    padding: 12px 0;
  }

  .main-nav a::after {
    bottom: 7px;
  }

  .microram-copy,
  .microram-reception,
  .microram-case,
  .blade-intro,
  .blade-capability-copy {
    padding: 24px 20px;
  }

  .microram-image-pair,
  .microram-case-grid,
  .microram-case-images {
    grid-template-columns: 1fr;
  }

  .microram-case-wide {
    grid-column: auto;
  }

  .blade-product-views,
  .blade-spectrum-pair {
    grid-template-columns: 1fr;
  }

  .blade-product-views figure {
    min-height: 260px;
  }

  .detail-visual.has-detail-gallery {
    min-height: 300px;
  }

  .detail-visual.has-detail-gallery img {
    min-height: 240px;
  }

  .microram-optical-card figure img {
    aspect-ratio: 1.2;
    object-fit: cover;
  }

  .hero,
  .section-block {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    height: auto;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .banner-slider,
  .banner-track,
  .banner-slide {
    height: auto;
  }

  .banner-slide {
    grid-template-columns: 1fr;
    gap: 28px;
    min-height: 0;
    padding: 34px 24px 72px;
  }

  .banner-copy h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .hero-keywords {
    font-size: 16px;
  }

  .banner-controls {
    left: 24px;
    bottom: 24px;
    max-width: calc(100vw - 48px);
    overflow-x: auto;
  }

  .banner-dot {
    min-width: 80px;
    padding-right: 9px;
    padding-left: 13px;
    font-size: 12px;
  }

  .section-block {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 56px);
  }

  .trust-strip,
  .choice-grid,
  .product-grid,
  .series-grid,
  .family-overview-grid,
  .family-paths,
  .family-task-grid,
  .family-series-grid,
  .scenario-model-grid,
  .product-family-index,
  .route-grid,
  .tech-grid,
  .core-technology-grid,
  .about-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .instrument-stage {
    min-height: 430px;
  }

  .product-float.blade {
    right: 4%;
    top: 13%;
    width: min(250px, 56%);
  }

  .product-float.hina {
    left: 6%;
    top: 35%;
    width: min(230px, 50%);
  }

  .tabs {
    display: grid;
    width: 100%;
  }

  .tab {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .tab:last-child {
    border-bottom: 0;
  }

  .product-card,
  .series-card,
  .route-grid article {
    min-height: 0;
  }

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

  .series-media {
    min-height: 190px;
    margin: 16px 16px 0;
  }

  .series-copy {
    padding: 20px;
  }

  .family-card-copy {
    padding: 20px;
  }

  .family-card-media,
  .family-visual {
    min-height: 240px;
  }

  .family-visual img {
    max-height: 230px;
  }

  .series-models div,
  .related-copy {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .related-card {
    flex-basis: 220px;
    grid-template-rows: 148px 1fr;
  }

  .related-thumb {
    min-height: 148px;
  }

  .related-thumb img {
    max-height: 122px;
  }

  .model-table {
    min-width: 640px;
  }

  .model-table.is-spectral-models {
    min-width: 1120px;
  }

  .site-footer {
    display: grid;
  }

  .hina-page-hero,
  .hina-intro-grid,
  .hina-optics-section,
  .hina-evidence-grid {
    grid-template-columns: 1fr;
  }

  .atd-evidence-board {
    gap: 22px;
  }

  .atd-evidence-row {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .atd-evidence-summary {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .atd-evidence-summary strong {
    grid-row: auto;
  }

  .hina-page-hero {
    min-height: auto;
  }

  .hina-principles,
  .hina-outcome-grid {
    grid-template-columns: 1fr;
  }

  .hina-product-route {
    display: grid;
    align-items: start;
  }
}

/* Global hover navigation */
.main-nav { align-items: stretch; }
.main-nav > .nav-item { position: relative; display: flex; }
.main-nav > .nav-top-link, .main-nav > .nav-item > .nav-top-link { display: inline-flex; align-items: center; }
.main-nav > .nav-item > .nav-top-link::before { display: none; }
.nav-dropdown { position: absolute; z-index: 80; top: calc(100% - 11px); left: 0; display: grid; min-width: 198px; padding: 9px; border: 1px solid rgba(244,246,247,.16); background: rgba(19,22,26,.98); box-shadow: 0 20px 42px rgba(0,0,0,.34); opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .18s ease, transform .18s ease; }
.nav-dropdown::before { content: ""; position: absolute; top: -6px; left: 18px; width: 10px; height: 10px; border-top: 1px solid rgba(244,246,247,.16); border-left: 1px solid rgba(244,246,247,.16); background: #13161a; transform: rotate(45deg); }
.nav-dropdown a { position: relative; z-index: 1; padding: 10px 12px; color: var(--muted); font-size: 13px; line-height: 1.35; white-space: nowrap; }
.nav-dropdown a::after { display: none; }
.nav-dropdown a:hover, .nav-dropdown a:focus-visible { color: var(--paper); background: rgba(232,32,24,.12); outline: none; }
.nav-item:hover .nav-dropdown, .nav-item:focus-within .nav-dropdown { opacity: 1; pointer-events: auto; transform: translateY(0); }

@media (max-width: 760px) {
  .main-nav > .nav-item { display: block; }
  .main-nav > .nav-item > .nav-top-link::before { display: none; }
  .nav-dropdown { display: none; }
}

/* Persistent dark / light presentation toggle */
.site-header > .main-nav { grid-column: 2; grid-row: 1; }.site-header > .theme-toggle { grid-column: 3; grid-row: 1; justify-self: end; width: 86px; min-width: 86px; }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 34px; padding: 0 9px; border: 1px solid var(--line); color: var(--paper); background: rgba(244,246,247,.05); cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.theme-toggle:hover { border-color: rgba(232,32,24,.72); background: rgba(232,32,24,.12); }.theme-toggle-preview { display: block; width: 28px; height: 17px; border: 1px solid rgba(244,246,247,.2); background: center / cover no-repeat url("assets/theme-preview-light.svg"); }.theme-toggle small { font-size: 12px; font-weight: 700; }

body.light-theme { --ink: #f5f4f0; --carbon: #ffffff; --panel: #f0f1ef; --paper: #171a1e; --muted: #59626b; --steel: #68737d; --line: rgba(23,26,30,.16); --line-dark: rgba(23,26,30,.16); background: linear-gradient(90deg, rgba(23,26,30,.045) 1px, transparent 1px) 0 0 / 64px 64px, linear-gradient(0deg, rgba(23,26,30,.045) 1px, transparent 1px) 0 0 / 64px 64px, radial-gradient(circle at 76% 8%, rgba(232,32,24,.08), transparent 30%), var(--ink); }
body.light-theme .site-header { background: rgba(255,255,255,.92); } body.light-theme .site-breadcrumb { background: rgba(255,255,255,.86); }
body.light-theme .site-footer { background: #e9eae7; } body.light-theme .theme-toggle { background: rgba(23,26,30,.04); } body.light-theme .theme-toggle-preview { border-color: rgba(23,26,30,.18); background-image: url("assets/theme-preview-dark.svg"); }
body.light-theme .nav-dropdown { background: rgba(255,255,255,.98); box-shadow: 0 20px 42px rgba(23,26,30,.16); } body.light-theme .nav-dropdown::before { background: #fff; }
body.light-theme .section-block:not(.about-hero):not(.oem-hero) { background-color: rgba(255,255,255,.54); }
body.light-theme .product-card, body.light-theme .series-card, body.light-theme .family-card, body.light-theme .application-card, body.light-theme .about-quality-grid article, body.light-theme .oem-scope-grid article, body.light-theme .oem-platform-card, body.light-theme .oem-process-list li { background-color: rgba(255,255,255,.72); }
body.light-theme .about-quality, body.light-theme .oem-quality, body.light-theme .oem-cta { background: linear-gradient(120deg, #f4e8e6, #f7f7f4 58%, #eef0ee); }
body.light-theme .oem-scope, body.light-theme .oem-platforms { background: #eef0ee; }
body.light-theme .oem-platform-media, body.light-theme .oem-quality-art { background-color: #e1e5e4; }
body.light-theme .oem-quality-art {
  background: #202428;
}
body.light-theme .oem-quality-art img {
  opacity: 1;
  mix-blend-mode: normal;
  filter: contrast(1.13) saturate(1.08) brightness(1.03);
}
body.light-theme .oem-hero, body.light-theme .about-hero { color: #f4f6f7; }
body.light-theme .oem-hero h1, body.light-theme .about-hero h1, body.light-theme .oem-hero-copy > p:not(.kicker), body.light-theme .about-hero-copy > p { color: #f4f6f7; }
body.light-theme .banner-copy, body.light-theme .banner-copy h1, body.light-theme .banner-copy h2, body.light-theme .banner-copy p, body.light-theme .hero-keywords, body.light-theme .banner-caption, body.light-theme .banner-caption strong, body.light-theme .banner-caption small, body.light-theme .banner-dot { color: #f4f6f7; }
body.light-theme .instrument-stage { color: #f4f6f7; }
body.light-theme .instrument-stage .stage-copy, body.light-theme .instrument-stage .stage-copy h2, body.light-theme .instrument-stage .stage-copy p { color: #f4f6f7; }
body.light-theme :is(.product-detail-hero, .family-hero, .hina-page-hero) { color: #171a1e; }
body.light-theme :is(.product-detail-hero, .family-hero, .hina-page-hero) :is(h1, h2, h3, strong) { color: #171a1e; }
body.light-theme :is(.product-detail-hero, .family-hero, .hina-page-hero) :is(p, li, small, span) { color: #59626b; }
body.light-theme :is(.product-detail-hero, .family-hero, .hina-page-hero) .kicker, body.light-theme :is(.product-detail-hero, .family-hero, .hina-page-hero) .family-type { color: var(--red); }
body.light-theme .product-family-index a { background: linear-gradient(100deg, rgba(31,40,48,.88), rgba(71,78,84,.8)); }
body.light-theme .product-family-index strong { color: #f4f6f7; } body.light-theme .product-family-index span { color: #d4dbe0; }
body.light-theme .core-technology-grid article { --paper: #f4f6f7; --muted: #d0d8de; color: #d0d8de; }
body.light-theme .core-technology-grid strong, body.light-theme .core-technology-grid sup { color: #fff; }
body.light-theme .core-technology-grid > article > span { color: #d0d8de; }

/* Light theme contrast audit: components that deliberately retain dark media or dark engineering surfaces. */
body.light-theme :is(
  .engineer-contact-dialog, .instrument-stage, .banner-controls, .banner-dot,
  .detail-visual, .detail-description-card, .microram-optical-card, .microram-copy,
  .microram-reception, .microram-image-pair figure, .microram-case, .microram-case-images figure,
  .blade-intro, .blade-product-views figure, .blade-capability-card, .blade-capability-copy,
  .family-paths article, .family-task-grid a, .family-doc-card, .scenario-model-card,
  .scenario-notice, .family-support-grid > article, .detail-grid article, .model-table-wrap,
  .detail-related article, .related-card, .contact-form input, .microram-optical-card figcaption
) { --paper: #f4f6f7; --muted: #d0d8de; --steel: #b3bfc7; color: #f4f6f7; }

body.light-theme :is(
  .engineer-contact-dialog, .detail-description-card, .microram-optical-card, .microram-copy,
  .microram-reception, .microram-case, .blade-intro, .blade-capability-card,
  .family-paths article, .family-task-grid a, .family-doc-card, .scenario-model-card,
  .scenario-notice, .family-support-grid > article, .detail-grid article, .model-table-wrap,
  .detail-related article, .related-card
) :is(h1, h2, h3, h4, strong, b, dt, th, .model-entry, .model-code-link) { color: #f4f6f7; }

body.light-theme :is(
  .engineer-contact-dialog, .detail-description-card, .microram-optical-card, .microram-copy,
  .microram-reception, .microram-case, .blade-intro, .blade-capability-card,
  .family-paths article, .family-task-grid a, .family-doc-card, .scenario-model-card,
  .scenario-notice, .family-support-grid > article, .detail-grid article, .model-table-wrap,
  .detail-related article, .related-card
) :is(p, li, small, span, dd, td, label, figcaption) { color: #d0d8de; }

body.light-theme .detail-visual, body.light-theme .family-card-media, body.light-theme .family-visual, body.light-theme .app-thumb { color: #f4f6f7; }
body.light-theme .detail-gallery-controls, body.light-theme .model-thumb { background-color: rgba(11,13,16,.82); }
body.light-theme .model-thumb {
  border-color: #c2cbce;
  background: linear-gradient(145deg, #f8faf9, #dbe2e2);
}
body.light-theme .contact-form input { caret-color: #f4f6f7; } body.light-theme .contact-form input::placeholder { color: #b7c0c6; }

/* Light theme: consistent, high-contrast application tags on product cards. */
body.light-theme .series-tags small {
  color: #2f3b43;
  border-color: #b8c2c6;
  background: #e2e7e8;
  font-weight: 700;
}

/* OEM hero uses the same framed content width as the sections below it. */
.oem-hero {
  width: min(calc(100% - clamp(36px, 7.6vw, 112px)), var(--max));
  margin-inline: auto;
}

.about-hero {
  width: min(calc(100% - clamp(36px, 7.6vw, 112px)), var(--max));
  margin-inline: auto;
}

/* The hero remains a dark media surface even when the site is in light mode. */
.oem-hero .text-link {
  color: #f4f6f7;
}

.oem-hero .text-link i {
  color: #ff554e;
}

/* Light-only surface language: refined brushed-metal panels. */
body.light-theme :is(.product-card, .series-card, .family-card, .application-card, .about-quality-grid article, .oem-scope-grid article, .oem-platform-card, .oem-process-list li) {
  background-image:
    linear-gradient(135deg, transparent 0 12px, rgba(75,87,94,.26) 12px 13px, transparent 13px) top left / 30px 30px no-repeat,
    linear-gradient(225deg, transparent 0 12px, rgba(75,87,94,.18) 12px 13px, transparent 13px) top right / 30px 30px no-repeat,
    linear-gradient(315deg, transparent 0 12px, rgba(75,87,94,.16) 12px 13px, transparent 13px) bottom right / 30px 30px no-repeat,
    linear-gradient(45deg, transparent 0 12px, rgba(75,87,94,.16) 12px 13px, transparent 13px) bottom left / 30px 30px no-repeat,
    radial-gradient(circle at 88% 16%, rgba(232,32,24,.075) 0 1px, transparent 1.5px),
    linear-gradient(135deg, rgba(255,255,255,.76), rgba(214,221,223,.30) 52%, rgba(255,255,255,.48)),
    repeating-linear-gradient(106deg, rgba(42,52,58,.035) 0 1px, transparent 1px 5px);
  background-size: 30px 30px, 30px 30px, 30px 30px, 30px 30px, 14px 14px, auto, auto;
  border-color: #bac4c7;
  box-shadow: inset 0 1px rgba(255,255,255,.88), inset 1px 0 rgba(255,255,255,.58), inset -1px -1px rgba(76,88,95,.13), 0 5px 12px rgba(30,39,44,.055);
}

body.light-theme .model-table-wrap,
body.light-theme :is(.detail-grid article, .family-paths article, .family-task-grid a, .family-doc-card, .scenario-model-card, .scenario-notice, .family-support-grid > article, .detail-related article, .related-card) {
  background-image:
    linear-gradient(104deg, rgba(255,255,255,.08), transparent 35%, rgba(255,255,255,.035) 62%, transparent 78%),
    repeating-linear-gradient(106deg, rgba(255,255,255,.035) 0 1px, transparent 1px 5px);
  box-shadow: inset 0 1px rgba(255,255,255,.16), inset 1px 0 rgba(255,255,255,.08), inset -1px -1px rgba(0,0,0,.24);
}

body.light-theme .model-table-wrap::after {
  content: none;
}

/* Light-theme audit: components that intentionally keep a dark technical surface. */
body.light-theme :is(
  .oem-flow li, .about-grid div, .about-capability-grid article, .about-cta,
  .hina-hero-visual, .hina-architecture-media, .hina-evidence-grid figure,
  .hina-principles article, .hina-outcome-grid article, .hina-evidence-copy, .hina-product-route,
  .atd-evidence-row figure, .atd-evidence-summary
) {
  --paper: #f4f6f7;
  --muted: #d0d8de;
  --steel: #b3bfc7;
  color: #f4f6f7;
}

body.light-theme :is(
  .oem-flow li, .about-grid div, .about-capability-grid article, .about-cta,
  .hina-principles article, .hina-outcome-grid article, .hina-evidence-copy, .hina-product-route,
  .atd-evidence-summary
) :is(h1, h2, h3, h4, strong, b) {
  color: #f4f6f7;
}

body.light-theme :is(
  .oem-flow li, .about-grid div, .about-capability-grid article,
  .hina-principles article, .hina-outcome-grid article, .hina-evidence-copy, .hina-product-route,
  .atd-evidence-summary
) :is(p, li, span, small) {
  color: #d0d8de;
}

body.light-theme .hina-evidence-copy strong,
body.light-theme .atd-evidence-summary strong {
  color: var(--red-strong);
}

/* DeepSpec uses its own captioned charts, so it must not inherit the generic chart-label mask. */
.deepspec-spectrum-pair figure::after {
  content: none !important;
  display: none !important;
}

@media (max-width: 900px) { .site-header > .main-nav { grid-column: 1 / -1; grid-row: auto; }.site-header > .theme-toggle { grid-column: 3; grid-row: 1; }.theme-toggle { min-width: 44px; width: 44px; padding: 0; }.theme-toggle small { display: none; } }

@media (max-width: 760px) {
  .hina-page-hero:has(.deepspec-hero-visual) {
    min-height: 650px;
    padding: 64px 28px 48px;
  }

  .hina-page-hero:has(.deepspec-hero-visual)::before {
    background: linear-gradient(90deg, rgba(7, 12, 17, .91), rgba(7, 12, 17, .63)), linear-gradient(0deg, rgba(5, 9, 13, .62), transparent 72%);
  }

  .hina-page-hero:has(.deepspec-hero-visual) .hina-hero-copy { max-width: 100%; }
  .deepspec-hero-visual img { object-position: 69% center; }
  .deepspec-spectrum-pair { grid-template-columns: 1fr; }
  .deepspec-video-qr { grid-column: auto; }
}