:root {
  --ink: #10212f;
  --muted: #5e6b75;
  --line: #d9e4e8;
  --bg: #f5f8f9;
  --white: #ffffff;
  --blue: #0b5f8e;
  --blue-dark: #0a3857;
  --green: #12a885;
  --orange: #e07824;
  --shadow: 0 20px 60px rgba(16, 33, 47, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
}

.brand-mark {
  display: block;
  width: 70px;
  height: 62px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 2px;
  color: #071f78;
  line-height: 1.12;
}

.brand-text strong {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-text small {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

html[lang="en"] .brand {
  min-width: 280px;
}

html[lang="en"] .brand-text strong {
  max-width: none;
  white-space: nowrap;
  font-size: 16px;
  line-height: 1.18;
}

html[lang="en"] .brand-text small {
  display: none;
}

html[lang="en"] .nav {
  gap: 4px;
}

html[lang="en"] .nav a {
  padding-inline: 9px;
}

html[lang="en"] img[src*="collage"] {
  object-fit: contain;
  background: #edf4f6;
}

html[lang="en"] .visual-page img[src*="collage"] {
  aspect-ratio: 16 / 9;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #2a3b47;
  font-size: 14px;
  white-space: nowrap;
}

.nav a {
  padding: 9px 12px;
  border-radius: 6px;
}

.nav a:hover {
  color: var(--blue);
  background: #edf5f7;
}

.nav a.active {
  color: var(--white);
  background: var(--blue-dark);
}

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

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

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

.btn.ghost {
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(10, 56, 87, 0.18);
}

.btn.secondary {
  color: var(--blue-dark);
  background: #edf5f7;
  border-color: rgba(10, 56, 87, 0.14);
}

.visual-tags,
.hero-tags,
.proof-nav,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.visual-tags,
.hero-tags {
  margin-top: 22px;
}

.visual-tags span,
.hero-tags span,
.proof-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(18, 168, 133, 0.22);
  border-radius: 999px;
  color: var(--blue-dark);
  background: rgba(18, 168, 133, 0.09);
  font-size: 13px;
  font-weight: 800;
}

.evidence-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 0;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--white);
  background: rgba(10, 56, 87, 0.9);
  font-size: 12px;
  font-weight: 800;
}

.page-hero .hero-tags span {
  border-color: rgba(255, 255, 255, 0.42);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(114, 223, 200, 0.22);
}

.page-hero .hero-tags span:hover {
  border-color: rgba(114, 223, 200, 0.82);
  color: #ffffff;
  background: rgba(114, 223, 200, 0.26);
}

.media-strip figure,
.credential-gallery figure,
.product-media,
.taste-product-card,
.taste-evidence-card {
  position: relative;
}

.spec-snapshot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 34px;
}

.spec-snapshot div {
  min-height: 96px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(16, 33, 47, 0.05);
}

.spec-snapshot dt {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.spec-snapshot dd {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
}

.page-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 34px;
  padding: 24px;
  border: 1px solid rgba(11, 95, 142, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #edf5f7 100%);
  box-shadow: 0 16px 40px rgba(16, 33, 47, 0.07);
}

.page-cta h2,
.page-cta h3 {
  margin: 0;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.25;
}

.page-cta p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.page-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.card-actions {
  margin-top: 18px;
}

.card-actions .text-link {
  color: var(--blue);
  font-weight: 900;
}

.product-copy .card-actions {
  margin-top: 16px;
}

.proof-nav {
  margin: 18px 0 28px;
}

.contact-checklist {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #edf5f7;
}

.contact-checklist h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 20px;
}

.contact-checklist ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

html[lang="en"] .en-visual-band {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  gap: 34px;
  align-items: center;
}

html[lang="en"] .en-visual-copy {
  display: grid;
  gap: 18px;
}

html[lang="en"] .en-visual-copy .section-heading {
  margin: 0;
}

html[lang="en"] .en-proof-mosaic,
html[lang="en"] .en-about-mosaic {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 14px;
}

html[lang="en"] .en-proof-mosaic figure,
html[lang="en"] .en-about-mosaic figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(16, 33, 47, 0.07);
}

html[lang="en"] .en-proof-mosaic figure:first-child,
html[lang="en"] .en-about-mosaic figure:first-child {
  grid-row: span 2;
}

html[lang="en"] .en-proof-mosaic img,
html[lang="en"] .en-about-mosaic img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

html[lang="en"] .en-proof-mosaic figcaption,
html[lang="en"] .en-about-mosaic figcaption {
  padding: 12px 14px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

html[lang="en"] .en-about-mosaic figure:first-child img {
  min-height: 420px;
}

html[lang="en"] .en-about-mosaic figure:not(:first-child) img,
html[lang="en"] .en-proof-mosaic figure:not(:first-child) img {
  aspect-ratio: 4 / 3;
}

html[lang="en"] .en-scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

html[lang="en"] .en-scenario-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(16, 33, 47, 0.06);
}

html[lang="en"] .en-scenario-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #edf4f6;
}

html[lang="en"] .en-scenario-card div {
  padding: 18px;
}

html[lang="en"] .en-scenario-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
}

html[lang="en"] .en-scenario-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

html[lang="en"] .spec-snapshot.en-spec-visual {
  gap: 16px;
}

html[lang="en"] .spec-snapshot.en-spec-visual div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 124px;
  padding: 14px;
}

html[lang="en"] .spec-snapshot.en-spec-visual img {
  grid-row: 1 / span 2;
  display: block;
  width: 82px;
  height: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  background: #edf4f6;
}

html[lang="en"] .spec-snapshot.en-spec-visual dt,
html[lang="en"] .spec-snapshot.en-spec-visual dd {
  display: block;
  grid-column: 2;
}

html[lang="en"] .spec-snapshot.en-spec-visual dt {
  margin: 0 0 7px;
  font-size: 11px;
}

html[lang="en"] .spec-snapshot.en-spec-visual dd {
  font-size: 15px;
  line-height: 1.35;
}

html[lang="en"] .methanol-product-row {
  grid-template-columns: 1fr;
}

html[lang="en"] .side-product-card {
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr);
  align-items: center;
  min-height: 380px;
}

html[lang="en"] .side-product-card > img {
  width: 100%;
  height: 330px;
  max-height: none;
  object-fit: contain;
  background: #f8fbfc;
}

html[lang="en"] .low-pressure-card {
  grid-template-columns: minmax(260px, 0.78fr) minmax(360px, 0.92fr) minmax(300px, 1fr);
  align-items: center;
}

html[lang="en"] .low-pressure-card .product-media img {
  height: 340px;
}

html[lang="en"] .en-cert-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
}

html[lang="en"] .en-cert-summary article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

html[lang="en"] .en-cert-summary strong {
  display: block;
  color: var(--blue-dark);
  font-size: 24px;
}

html[lang="en"] .en-cert-summary span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

html[lang="en"] .contact-info-panel .btn {
  margin-top: 18px;
}

@media (max-width: 1100px) {
  html[lang="en"] .en-visual-band,
  html[lang="en"] .low-pressure-card {
    grid-template-columns: 1fr;
  }

  html[lang="en"] .en-scenario-grid,
  html[lang="en"] .en-cert-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  html[lang="en"] .spec-snapshot.en-spec-visual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  html[lang="en"] .en-about-mosaic,
  html[lang="en"] .en-proof-mosaic,
  html[lang="en"] .en-scenario-grid,
  html[lang="en"] .en-cert-summary,
  html[lang="en"] .spec-snapshot.en-spec-visual,
  html[lang="en"] .side-product-card {
    grid-template-columns: 1fr;
  }

  html[lang="en"] .en-about-mosaic figure:first-child,
  html[lang="en"] .en-proof-mosaic figure:first-child {
    grid-row: auto;
  }

  html[lang="en"] .en-about-mosaic figure:first-child img {
    min-height: 260px;
  }

  html[lang="en"] .spec-snapshot.en-spec-visual div {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  html[lang="en"] .spec-snapshot.en-spec-visual img {
    width: 74px;
    height: 74px;
  }

  html[lang="en"] .side-product-card > img {
    height: 300px;
  }

  html[lang="en"] .media-chip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  html[lang="en"] .media-chip-grid span {
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: normal;
  }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 48px;
  min-height: calc(100vh - 82px);
  padding: clamp(56px, 7vw, 100px) clamp(18px, 5vw, 72px) 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 18%, rgba(18, 168, 133, 0.16), transparent 28%),
    linear-gradient(135deg, #eff7f8 0%, #ffffff 46%, #e9f1f4 100%);
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(40px, 5.6vw, 70px);
  line-height: 1.06;
  letter-spacing: 0;
}

html[lang="en"] .hero h1 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.16;
}

html[lang="en"] .page-hero h1,
html[lang="en"] .section h2,
html[lang="en"] .contact h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.16;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: #435461;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 780px;
  margin-top: 44px;
}

.hero-metrics div,
.product-card,
.proof-item {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(16, 33, 47, 0.06);
}

.hero-metrics div {
  padding: 16px;
}

.hero-metrics strong {
  display: block;
  color: var(--blue-dark);
  font-size: 28px;
  line-height: 1.1;
}

.hero-metrics span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
}

.hero-image-card {
  width: min(100%, 640px);
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(10, 56, 87, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-image-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
}

.visual-panel {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1 / 0.92;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(145deg, var(--blue-dark), #0d6d7e 54%, #18a27d);
  background-size: 44px 44px, 44px 44px, auto;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pipeline {
  position: absolute;
  inset: 38% -8% auto;
  height: 58px;
  border-top: 14px solid rgba(255, 255, 255, 0.72);
  border-bottom: 14px solid rgba(255, 255, 255, 0.42);
  transform: rotate(-12deg);
}

.pump {
  position: absolute;
  display: grid;
  place-items: center;
  width: 152px;
  height: 152px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.pump span {
  width: 70px;
  height: 70px;
  border: 12px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
}

.pump b {
  font-size: 13px;
}

.pump-a {
  left: 12%;
  top: 16%;
}

.pump-b {
  right: 12%;
  bottom: 15%;
}

.gauge {
  position: absolute;
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  color: var(--white);
  border: 9px solid rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.gauge-a {
  top: 12%;
  right: 18%;
}

.gauge-b {
  left: 23%;
  bottom: 12%;
}

.flow-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 10px rgba(224, 120, 36, 0.2);
}

.flow-dot.one {
  left: 18%;
  top: 56%;
}

.flow-dot.two {
  left: 47%;
  top: 49%;
}

.flow-dot.three {
  right: 17%;
  top: 41%;
}

.section {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
}

.page-hero {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(10, 56, 87, 0.92), rgba(11, 95, 142, 0.86)),
    linear-gradient(135deg, #eff7f8, #dfecef);
  color: var(--white);
}

.page-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.page-hero p:last-child {
  max-width: 820px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.page-hero .eyebrow {
  color: #72dfc8;
}

.visual-page {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.92fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.visual-page img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.detail-section {
  padding: clamp(48px, 7vw, 86px) clamp(18px, 5vw, 72px);
  background: var(--bg);
}

.media-strip,
.credential-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.media-strip.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-strip.wide-visual {
  grid-template-columns: 1fr;
}

.media-strip.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 760px;
}

.media-strip figure,
.credential-gallery figure {
  margin: 0;
  padding-top: 42px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 33, 47, 0.06);
}

.media-strip figure > .evidence-badge,
.credential-gallery figure > .evidence-badge {
  top: 10px;
  left: 14px;
}

.media-strip img,
.credential-gallery img {
  display: block;
  width: 100%;
  object-fit: cover;
  object-position: center;
  background: #edf4f6;
}

.certificate-image-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.inline-certificate-link {
  display: inline-block;
  margin-left: 10px;
  color: var(--blue);
  font-weight: 900;
}

.media-strip img {
  aspect-ratio: 16 / 10;
}

.media-strip.wide-visual img {
  aspect-ratio: 21 / 8;
  object-fit: contain;
}

.media-strip.wide-visual img[src*="ccs-methanol-type-approval-public-page1"] {
  aspect-ratio: 4 / 3;
}

.media-card.wide-media img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #edf4f6;
}

.media-strip img[src$=".svg"] {
  object-fit: contain;
  padding: 10px;
}

.media-strip.cooling-principles img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  padding: 0;
}

.media-strip.cooling-principles figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
}

.media-strip.cooling-principles .principle-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--white);
  background: rgba(10, 56, 87, 0.94);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.media-strip img[src*="marine-methanol-fuel-supply-flow"] {
  object-fit: contain;
  padding: 10px;
}

.media-strip.compact img {
  aspect-ratio: 4 / 3;
}

.credential-gallery img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  padding: 12px;
}

.credential-gallery.horizontal-gallery img {
  aspect-ratio: 4 / 3;
}

.credential-gallery.vertical-gallery img {
  aspect-ratio: 3 / 4;
}

.credential-gallery.temperature-report-gallery {
  grid-template-columns: 1fr;
}

.credential-gallery.temperature-report-gallery img {
  aspect-ratio: 24 / 10.4;
  object-fit: contain;
  padding: 0;
}

.credential-gallery.report-gallery {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  max-width: none;
}

.credential-gallery.report-gallery figure {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.credential-gallery.report-gallery img {
  flex: 1 1 auto;
  aspect-ratio: 3 / 4;
  height: auto;
}

.credential-gallery.report-gallery figcaption {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  text-align: center;
}

.media-strip figcaption,
.credential-gallery figcaption {
  min-height: 48px;
  padding: 12px 14px;
  color: #32434f;
  font-size: 14px;
  font-weight: 700;
}

.methanol-product-grid {
  display: grid;
  gap: 16px;
  margin: 0 0 28px;
}

.methanol-product-card {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 33, 47, 0.06);
}

.low-pressure-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) 270px minmax(340px, 1fr);
  gap: 24px;
  align-items: stretch;
  padding: 24px;
}

.methanol-product-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.side-product-card {
  position: relative;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
}

.product-media {
  margin: 0;
}

.product-media figcaption {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 15px;
  font-weight: 800;
}

.product-media img,
.side-product-card > img {
  display: block;
  width: 100%;
  object-fit: contain;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f8f9;
}

.product-media img {
  height: 360px;
}

.product-cert img {
  background: var(--white);
}

.product-cert .certificate-image-link img {
  object-fit: contain;
}

.side-product-card > img {
  height: 290px;
  padding: 12px;
  background: var(--white);
}

.methanol-product-card .product-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.methanol-product-card h2 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.22;
}

.methanol-product-card p {
  margin: 0 0 14px;
  color: var(--muted);
}

.methanol-product-card ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 18px;
  color: #32434f;
}

.credential-section {
  margin-bottom: clamp(34px, 5vw, 56px);
}

.credential-section .section-heading {
  margin-bottom: 18px;
}

.report-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 820px;
}

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

.detail-panel {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 33, 47, 0.06);
}

.detail-panel.primary-panel {
  grid-column: span 2;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  border-color: rgba(255, 255, 255, 0.16);
}

.detail-panel h2,
.detail-panel h3 {
  margin: 0 0 12px;
  line-height: 1.22;
  letter-spacing: 0;
}

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

.detail-panel h3 {
  font-size: 22px;
}

.detail-panel p {
  margin: 0;
  color: var(--muted);
}

.detail-panel.primary-panel p {
  color: rgba(255, 255, 255, 0.84);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section h2,
.contact h2 {
  margin: 0;
  font-size: clamp(28px, 3.3vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: start;
  background: var(--white);
}

.intro p:last-child {
  margin: 34px 0 0;
  color: #435461;
  font-size: 18px;
}

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

.product-card {
  position: relative;
  min-height: 250px;
  padding: 24px;
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(16, 33, 47, 0.12);
}

.card-link,
.section-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.product-card > :not(.card-link),
.bands article > :not(.section-link) {
  position: relative;
  z-index: 2;
}

.product-card > .evidence-badge {
  position: absolute;
}

.product-card.featured {
  grid-column: span 2;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  border-color: rgba(255, 255, 255, 0.14);
}

.product-card h3 {
  margin: 12px 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.media-card {
  padding: 0;
}

.media-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.media-card img[src$=".svg"] {
  object-fit: contain;
  padding: 10px;
  background: #edf4f6;
}

html[lang="en"] .matrix-grid .product-card.media-card:not(.featured) > img {
  height: 278px;
  aspect-ratio: auto;
  object-fit: cover;
}

.product-card p {
  margin: 0;
  color: var(--muted);
}

.media-card .tag,
.media-card h3,
.media-card p,
.media-card .card-actions {
  margin-left: 32px;
  margin-right: 32px;
}

.media-card .tag {
  margin-top: 26px;
}

.media-card p {
  margin-bottom: 32px;
}

.product-card.featured p,
.product-card.featured li {
  color: rgba(255, 255, 255, 0.84);
}

.product-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.tag {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--blue-dark);
  background: #dff5ef;
  font-size: 12px;
  font-weight: 800;
}

.product-card.featured .tag {
  color: var(--white);
  background: rgba(255, 255, 255, 0.18);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 38px;
  background: var(--white);
}

.split p {
  color: #435461;
}

.application-list {
  display: grid;
  gap: 14px;
}

.application-list div {
  padding: 20px;
  border-left: 4px solid var(--green);
  background: #f3f8f8;
}

.application-list b,
.application-list span {
  display: block;
}

.application-list span {
  margin-top: 5px;
  color: var(--muted);
}

.media-list-section {
  background: var(--white);
}

.media-chip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.media-chip-grid span {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue-dark);
  background: #f4f8fa;
  font-size: 17px;
  font-weight: 800;
}

.media-chip-grid span::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  background: var(--orange);
  transform: rotate(45deg);
}

.bands {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.bands article {
  position: relative;
  min-height: 340px;
  padding: clamp(30px, 4vw, 52px);
  background: var(--white);
  transition: background 180ms ease;
}

.bands article:hover {
  background: #f8fbfc;
}

.band-media {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #e8f0f3;
}

.bands article.image-after .band-media {
  margin: 28px 0 0;
}

.band-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.bands article > p:not(.eyebrow),
.bands p:last-child {
  color: var(--muted);
}

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

.proof-item {
  padding: 20px;
}

.proof-item strong,
.proof-item span {
  display: block;
}

.proof-item span {
  margin-top: 9px;
  color: var(--muted);
  font-size: 14px;
}

.downloads {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--blue-dark);
  color: var(--white);
}

.downloads .eyebrow {
  color: #72dfc8;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 12px;
  min-width: min(560px, 100%);
}

.download-grid a {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.95fr);
  gap: 44px;
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 72px);
  background: linear-gradient(135deg, #eff6f8, #ffffff);
}

.contact-page {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 28px;
  padding: clamp(48px, 7vw, 86px) clamp(18px, 5vw, 72px);
  background: var(--white);
}

.map-card,
.contact-info-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 33, 47, 0.06);
}

.map-card {
  overflow: hidden;
}

.map-card iframe {
  display: block;
  width: 100%;
  min-height: 460px;
  border: 0;
  background: #eef4f6;
}

.map-fallback {
  display: block;
  padding: 14px 18px;
  color: var(--blue-dark);
  font-weight: 800;
  border-top: 1px solid var(--line);
  background: #f5f8f9;
}

.contact-info-panel {
  padding: 28px;
}

.contact-info-panel h2 {
  margin: 0 0 20px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0;
}

.contact-info-panel dl {
  display: grid;
  gap: 16px;
  margin: 0;
}

.contact-info-panel div {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.contact-info-panel dt {
  color: var(--blue-dark);
  font-weight: 900;
}

.contact-info-panel dd {
  margin: 6px 0 0;
  color: var(--muted);
}

.contact-info-panel dd a {
  color: var(--blue);
  font-weight: 800;
}

.contact-overview {
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  align-items: stretch;
  gap: 24px;
  padding-top: 44px;
  padding-bottom: 44px;
}

.contact-overview .map-card iframe {
  min-height: 420px;
}

.contact-overview .contact-info-panel {
  display: flex;
  flex-direction: column;
  padding: 32px;
}

.contact-overview .contact-info-panel h2 {
  font-size: 26px;
}

.contact-overview .contact-info-panel dl {
  gap: 12px;
}

.contact-overview .contact-info-panel div {
  padding-bottom: 12px;
}

.contact-email-action {
  align-self: flex-start;
  margin-top: auto;
}

.inquiry-section {
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1fr);
  align-items: start;
  gap: 54px;
  border-top: 1px solid var(--line);
  background: #eff6f8;
}

.inquiry-section .contact-copy {
  display: grid;
  gap: 18px;
}

.inquiry-section .contact-copy > p {
  margin: 0;
}

.inquiry-section .contact-checklist {
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: transparent;
}

.inquiry-checklist .checklist-kicker {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 18px;
  font-weight: 900;
}

.inquiry-checklist ul {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.inquiry-checklist li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
}

.inquiry-checklist strong {
  color: var(--blue-dark);
  font-size: 14px;
}

.inquiry-checklist span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.contact-copy p:last-child {
  color: #435461;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 6px;
  color: #32434f;
  font-size: 14px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cbd8dd;
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(224, 120, 36, 0.72);
  outline-offset: 3px;
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  padding: 22px clamp(18px, 5vw, 72px);
  color: #d9e6e8;
  background: #10212f;
  font-size: 13px;
}

.footer > :last-child {
  text-align: right;
}

.footer .icp-link {
  color: #d9e6e8;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.footer .footer-records {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  column-gap: 16px;
  row-gap: 6px;
  min-width: 0;
  text-align: center;
}

.footer .police-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #d9e6e8;
  text-decoration: none;
  white-space: nowrap;
}

.footer .police-link img {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  object-fit: contain;
}

.footer .icp-link:hover,
.footer .icp-link:focus-visible,
.footer .police-link:hover,
.footer .police-link:focus-visible {
  color: var(--white);
  text-decoration: underline;
}

@media (max-width: 980px) {
  .nav {
    flex-wrap: wrap;
    white-space: normal;
  }

  .hero,
  .intro,
  .split,
  .contact,
  .visual-page,
  .contact-page {
    grid-template-columns: 1fr;
  }

  .contact-overview,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .matrix-grid,
  .proof-grid,
  .bands,
  .detail-grid,
  .media-strip,
  .media-strip.two-up,
  .credential-gallery,
  .report-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card.featured,
  .detail-panel.primary-panel {
    grid-column: span 1;
  }

  .downloads {
    align-items: flex-start;
    flex-direction: column;
  }

  .low-pressure-card,
  .methanol-product-row {
    grid-template-columns: 1fr;
  }

  .side-product-card {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    align-items: center;
    gap: 10px 12px;
    padding: 10px 14px;
  }

  .brand {
    width: 100%;
    min-width: 0;
    gap: 8px;
  }

  .brand-mark {
    width: 48px;
    height: 44px;
  }

  .brand-text strong {
    font-size: 14px;
    line-height: 1.18;
    white-space: normal;
  }

  .brand-text small {
    font-size: 11px;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
  }

  .mobile-menu-toggle span {
    display: block;
    width: 19px;
    height: 2px;
    border-radius: 999px;
    background: var(--blue-dark);
  }

  .nav {
    grid-column: 1 / -1;
    width: 100%;
    display: none;
    gap: 6px;
    padding-top: 4px;
    border-top: 1px solid var(--line);
  }

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

  .nav a {
    min-height: 44px;
    padding: 8px 10px;
    text-align: center;
  }

  .header-cta {
    grid-column: 1 / -1;
    display: none;
    width: 100%;
  }

  .mobile-nav-open .header-cta {
    display: inline-flex;
  }

  .hero {
    gap: 24px;
    padding: 34px 16px 30px;
  }

  .hero h1 {
    font-size: 32px;
    line-height: 1.12;
  }

  .lead {
    margin-top: 16px;
    font-size: 16px;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 22px;
  }

  .hero-actions .btn {
    flex: 1 1 150px;
    padding: 0 14px;
  }

  .hero-metrics {
    gap: 8px;
    margin-top: 24px;
  }

  .hero-metrics div {
    padding: 12px;
  }

  .hero-metrics strong {
    font-size: 24px;
  }

  .hero-metrics,
  .matrix-grid,
  .proof-grid,
  .spec-snapshot,
  .bands,
  .download-grid,
  .detail-grid,
  .media-strip,
  .media-strip.two-up,
  .media-strip.compact,
  .credential-gallery,
  .report-gallery {
    grid-template-columns: 1fr;
  }

  .page-cta {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .page-cta-actions {
    justify-content: stretch;
  }

  .page-cta-actions .btn {
    flex: 1 1 160px;
  }

  .map-card iframe {
    min-height: 260px;
  }

  .contact-overview .contact-info-panel {
    order: 1;
  }

  .contact-overview .map-card {
    order: 2;
  }

  .contact-overview .map-card iframe {
    min-height: 260px;
  }

  .low-pressure-card,
  .side-product-card {
    grid-template-columns: 1fr;
  }

  .product-media img {
    height: auto;
    max-height: 360px;
  }

  .side-product-card > img {
    height: 260px;
  }

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

  .hero-image-card {
    width: 100%;
  }

  .hero-image-card img {
    aspect-ratio: 4 / 3;
    object-position: center;
  }

  .page-hero {
    padding: 42px 16px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .page-hero p:last-child {
    font-size: 16px;
  }

  .section,
  .detail-section,
  .contact,
  .contact-page {
    padding-left: 16px;
    padding-right: 16px;
  }

  .product-card,
  .detail-panel,
  .contact-form,
  .contact-info-panel {
    padding: 18px;
  }

  .media-card {
    padding: 0;
  }

  .media-card .tag,
  .media-card h3,
  .media-card p,
  .media-card .card-actions {
    margin-left: 22px;
    margin-right: 22px;
  }

  .bands article {
    min-height: 0;
    padding: 24px 18px;
  }

  .media-strip,
  .credential-gallery {
    gap: 12px;
  }

  .credential-section {
    margin-bottom: 28px;
  }

  .credential-section .section-heading {
    margin-bottom: 14px;
  }

  .credential-gallery {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(84vw, 360px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 2px 12px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }

  .credential-gallery figure {
    scroll-snap-align: start;
  }

  .credential-gallery figcaption {
    min-height: 44px;
  }

  .proof-nav {
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    white-space: nowrap;
    scrollbar-width: thin;
  }

  .proof-nav a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .card-actions .btn,
  .card-actions a,
  .section-link,
  .card-link {
    min-height: 44px;
  }

  .card-actions a {
    display: inline-flex;
    align-items: center;
  }

  .media-strip img {
    aspect-ratio: 4 / 3;
  }

  .credential-gallery img,
  .credential-gallery.horizontal-gallery img,
  .credential-gallery.vertical-gallery img {
    aspect-ratio: auto;
    max-height: 420px;
  }

  .pump {
    width: 118px;
    height: 118px;
  }

  .gauge {
    width: 62px;
    height: 62px;
  }

  .footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer > :last-child {
    text-align: center;
  }
}

/* English site final visual locks: keep the redesign scoped to /en pages. */
html[lang="en"] .en-visual-band {
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
}

html[lang="en"] .en-visual-band > *,
html[lang="en"] .en-about-mosaic,
html[lang="en"] .en-proof-mosaic,
html[lang="en"] .en-scenario-grid,
html[lang="en"] .en-scenario-card,
html[lang="en"] .spec-snapshot.en-spec-visual,
html[lang="en"] .spec-snapshot.en-spec-visual > div {
  min-width: 0;
}

html[lang="en"] .en-about-mosaic img,
html[lang="en"] .en-proof-mosaic img,
html[lang="en"] .en-scenario-card img {
  width: 100%;
  max-width: 100%;
  height: auto;
}

html[lang="en"] .en-about-mosaic figure:first-child img,
html[lang="en"] .en-proof-mosaic figure:first-child img {
  aspect-ratio: 4 / 5;
  min-height: 0;
  object-fit: cover;
}

html[lang="en"] .en-about-mosaic figure:not(:first-child) img,
html[lang="en"] .en-proof-mosaic figure:not(:first-child) img,
html[lang="en"] .en-scenario-card img {
  aspect-ratio: 4 / 3;
  min-height: 0;
  object-fit: cover;
}

html[lang="en"] .en-proof-mosaic img[src*="certificate"],
html[lang="en"] .en-proof-mosaic img[src*="ccs"],
html[lang="en"] .en-proof-mosaic img[src*="iso"],
html[lang="en"] .en-about-mosaic img[src*="certificate"],
html[lang="en"] .en-about-mosaic img[src*="ccs"],
html[lang="en"] .en-about-mosaic img[src*="iso"] {
  object-fit: contain;
  padding: 10px;
  background: #edf4f6;
}

html[lang="en"] .spec-snapshot.en-spec-visual {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

html[lang="en"] .spec-snapshot.en-spec-visual > div {
  grid-template-columns: 82px minmax(0, 1fr);
}

/* English homepage proof section: balanced evidence cards, independent of legacy mosaic rules. */
html[lang="en"] .en-proof-section {
  display: grid;
  gap: 24px;
}

html[lang="en"] .en-proof-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

html[lang="en"] .en-proof-header .section-heading {
  max-width: 900px;
  margin: 0;
}

html[lang="en"] .en-proof-header .btn {
  flex: 0 0 auto;
  margin-bottom: 4px;
  white-space: nowrap;
}

html[lang="en"] .en-proof-summary {
  gap: 12px;
}

html[lang="en"] .en-proof-summary .proof-item {
  min-height: 86px;
  padding: 16px 18px;
  border-top: 3px solid var(--green);
}

html[lang="en"] .en-proof-summary .proof-item span {
  margin-top: 5px;
  line-height: 1.35;
}

html[lang="en"] .en-proof-section .en-proof-mosaic {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

html[lang="en"] .en-proof-section .en-proof-mosaic figure,
html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child {
  display: grid;
  grid-template-rows: 300px 58px;
  grid-row: auto;
  min-width: 0;
  overflow: hidden;
  margin: 0;
}

html[lang="en"] .en-proof-section .en-proof-mosaic img,
html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child img,
html[lang="en"] .en-proof-section .en-proof-mosaic figure:not(:first-child) img {
  width: 100%;
  height: 300px;
  min-height: 0;
  aspect-ratio: auto;
  padding: 14px;
  object-fit: contain;
  background: #edf4f6;
}

html[lang="en"] .en-proof-section .en-proof-mosaic figure:last-child img {
  padding: 0;
  object-fit: cover;
}

html[lang="en"] .en-proof-section .en-proof-mosaic figcaption {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  line-height: 1.3;
}

@media (max-width: 1100px) {
  html[lang="en"] .en-proof-header {
    align-items: start;
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic figure,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child {
    grid-template-rows: 240px 58px;
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic img,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child img,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:not(:first-child) img {
    height: 240px;
  }
}

@media (max-width: 760px) {
  html[lang="en"] .en-proof-header {
    display: grid;
    gap: 18px;
  }

  html[lang="en"] .en-proof-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic {
    grid-template-columns: 1fr;
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic figure,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child {
    grid-template-rows: 280px 58px;
  }

  html[lang="en"] .en-proof-section .en-proof-mosaic img,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:first-child img,
  html[lang="en"] .en-proof-section .en-proof-mosaic figure:not(:first-child) img {
    height: 280px;
  }
}

html[lang="en"] .spec-snapshot.en-spec-visual img {
  width: 82px;
  height: 82px;
  max-width: 82px;
  object-fit: cover;
}

html[lang="en"] .side-product-card {
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr);
}

html[lang="en"] .side-product-card > img {
  width: 100%;
  height: 330px;
  max-height: none;
  object-fit: contain;
}

html[lang="en"] .page-hero .hero-tags span {
  border-color: rgba(255, 255, 255, 0.32);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(114, 223, 200, 0.18);
}

html[lang="en"] .page-hero .hero-tags span:hover {
  border-color: rgba(114, 223, 200, 0.72);
  background: rgba(114, 223, 200, 0.2);
}

html[lang="en"] .hero .hero-tags span,
html[lang="en"] .intro .hero-tags span {
  border-color: rgba(11, 95, 142, 0.22);
  color: var(--blue-dark);
  background: #eaf7f4;
}

@media (max-width: 1100px) {
  html[lang="en"] .en-visual-band,
  html[lang="en"] .low-pressure-card {
    grid-template-columns: 1fr;
  }

  html[lang="en"] .en-scenario-grid,
  html[lang="en"] .en-cert-summary,
  html[lang="en"] .spec-snapshot.en-spec-visual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  html[lang="en"] .brand {
    min-width: 0;
  }

  html[lang="en"] .brand-text strong {
    max-width: none;
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.16;
  }

  html[lang="en"] .brand-mark {
    width: 48px;
    height: 44px;
  }

  html[lang="en"] .en-visual-band,
  html[lang="en"] .en-about-mosaic,
  html[lang="en"] .en-proof-mosaic,
  html[lang="en"] .en-scenario-grid,
  html[lang="en"] .en-cert-summary,
  html[lang="en"] .spec-snapshot.en-spec-visual,
  html[lang="en"] .side-product-card {
    grid-template-columns: 1fr;
  }

  html[lang="en"] .en-about-mosaic figure:first-child,
  html[lang="en"] .en-proof-mosaic figure:first-child {
    grid-row: auto;
  }

  html[lang="en"] .en-about-mosaic figure:first-child img,
  html[lang="en"] .en-proof-mosaic figure:first-child img {
    aspect-ratio: 4 / 3;
  }

  html[lang="en"] .spec-snapshot.en-spec-visual > div {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  html[lang="en"] .spec-snapshot.en-spec-visual img {
    width: 74px;
    height: 74px;
    max-width: 74px;
  }

  html[lang="en"] .side-product-card > img {
    height: 300px;
  }
}
html[lang="en"] .detail-grid .temperature-map-panel {
  grid-column: 1 / -1;
  padding: 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  box-shadow: none;
}

html[lang="en"] .temperature-map-panel img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
}

.methanol-process-pair img {
  aspect-ratio: 40 / 17;
}

.methanol-process-pair img[src*="marine-methanol-fuel-supply-flow"] {
  padding: 0;
  object-fit: contain;
}

.methanol-process-pair img:not([src*="marine-methanol-fuel-supply-flow"]) {
  object-fit: cover;
}

/* Keep badges above media without allowing them to become grid items. */
.methanol-product-card.side-product-card {
  padding-top: 64px;
}

.methanol-product-card.low-pressure-card .product-media {
  padding-top: 54px;
}

.methanol-process-pair figure {
  padding-top: 54px;
}

/* Certification pages are evidence galleries, not isolated hero sections. */
html[lang="en"] .credential-section {
  margin-bottom: 0;
  padding-top: clamp(36px, 3vw, 44px);
  padding-bottom: clamp(36px, 3vw, 44px);
}

html[lang="en"] .credential-section + .credential-section {
  border-top: 1px solid var(--line);
}

html[lang="en"] .credential-section .media-strip,
html[lang="en"] .credential-section .credential-gallery {
  margin-bottom: 0;
}

html[lang="en"] .en-approval-report-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  max-width: none;
}

html[lang="en"] .en-methanol-report-pages {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  max-width: none;
}

html[lang="en"] .en-approval-report-grid figure,
html[lang="en"] .en-methanol-report-pages figure {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

html[lang="en"] .en-approval-report-grid img,
html[lang="en"] .en-methanol-report-pages img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  padding: 12px;
}

html[lang="en"] .en-approval-report-grid figcaption,
html[lang="en"] .en-methanol-report-pages figcaption {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* English-site acceptance rule: adjacent visible content sections keep a steady 60px handoff. */
html[lang="en"] main > .section,
html[lang="en"] main > .detail-section,
html[lang="en"] main > .contact,
html[lang="en"] main > .contact-page {
  padding-top: 30px;
  padding-bottom: 30px;
}

html[lang="en"] body.en-home main > .hero,
html[lang="en"] main > .page-hero {
  padding-bottom: 30px;
}

html[lang="en"] body.en-home main > .hero {
  min-height: auto;
  padding-top: clamp(58px, 6vw, 82px);
  padding-bottom: clamp(42px, 5vw, 64px);
}

html[lang="en"] .header-cta {
  min-width: 170px;
}

html[lang="en"] main > .page-hero + .detail-section > :first-child,
html[lang="en"] main > .page-hero + .credential-section > :first-child,
html[lang="en"] main > .page-hero + .contact-page > :first-child {
  margin-top: 0;
}

/* Chinese secondary-page heroes should introduce content without dominating it. */
html[lang="zh-CN"] .page-hero {
  padding-top: 40px;
  padding-bottom: 40px;
}

html[lang="zh-CN"] .page-hero.visual-page img {
  aspect-ratio: 16 / 9;
}

/* Mobile-only content rails shorten long homepages without changing desktop grids. */
@media (max-width: 640px) {
  html,
  body {
    overflow-x: hidden;
  }

  .page-hero h1,
  .hero h1 {
    max-width: 10.5em;
    font-size: 28px;
    line-height: 1.14;
    overflow-wrap: anywhere;
    word-break: break-all;
    line-break: anywhere;
  }

  .page-hero p,
  .hero p,
  .lead {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-all;
    line-break: anywhere;
  }

  .page-hero p,
  .lead {
    max-width: 18em;
  }

  .page-hero .hero-tags,
  .hero .hero-tags,
  .hero-actions {
    max-width: 100%;
  }

  .page-hero > *,
  .hero > *,
  .detail-section > *,
  .media-strip > *,
  .methanol-process-pair > * {
    min-width: 0;
    max-width: 100%;
  }

  .hero-actions .btn,
  .page-cta-actions .btn {
    flex: 1 1 100%;
    min-width: 0;
    white-space: nowrap;
  }

  .methanol-process-pair img {
    width: 78%;
    max-width: 78%;
    margin-inline: auto;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    padding: 8px;
  }

  html[lang="en"] .matrix-grid,
  html[lang="en"] .en-about-mosaic,
  html[lang="en"] .en-scenario-grid,
  html[lang="en"] .en-proof-section .en-proof-mosaic {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(84vw, 360px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 2px 12px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }

  html[lang="en"] .matrix-grid > *,
  html[lang="en"] .en-about-mosaic > *,
  html[lang="en"] .en-scenario-grid > *,
  html[lang="en"] .en-proof-section .en-proof-mosaic > * {
    scroll-snap-align: start;
  }
}

/* English mobile copy wraps at word boundaries; Chinese keeps its existing character wrapping. */
@media (max-width: 640px) {
  html[lang="en"] .page-hero h1,
  html[lang="en"] .hero h1,
  html[lang="en"] .taste-hero h1,
  html[lang="en"] .page-hero p,
  html[lang="en"] .hero p,
  html[lang="en"] .taste-lead,
  html[lang="en"] .lead {
    max-width: calc(100vw - 40px);
    overflow-wrap: break-word;
    word-break: normal;
    line-break: auto;
    hyphens: none;
  }

  html[lang="en"] .en-approval-report-grid,
  html[lang="en"] .en-methanol-report-pages {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(84vw, 360px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
  }

  html[lang="zh-CN"] .credential-gallery.report-gallery {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(84vw, 360px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 2px;
    scroll-snap-type: inline mandatory;
    -webkit-overflow-scrolling: touch;
  }

  html[lang="zh-CN"] .credential-gallery.report-gallery > figure {
    width: 100%;
    scroll-snap-align: start;
  }
}