@layer tokens, base, layout, components, responsive;

@layer tokens {
  :root {
    --header-h: 72px;
    --shell: 1240px;
    --yhn-ink: #071a33;
    --yhn-ink-2: #102a49;
    --yhn-blue: #164a8a;
    --yhn-blue-soft: #eaf0f7;
    --yhn-red: #d9343e;
    --yhn-red-dark: #bd2630;
    --yhn-steel: #f1f4f7;
    --yhn-steel-2: #e3e8ed;
    --yhn-paper: #fafbfc;
    --yhn-white: #ffffff;
    --yhn-text: #172437;
    --yhn-muted: #5f6d7d;
    --yhn-line: #d7dee6;
    --yhn-line-dark: rgba(255, 255, 255, 0.18);
    --radius: 4px;
    --shadow: 0 20px 54px rgba(7, 26, 51, 0.10);
    --below-fold-card-shadow: 0 16px 40px rgba(7, 26, 51, 0.08);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --section-space: clamp(78px, 7vw, 112px);
    --below-fold-space: clamp(68px, 6vw, 96px);
    --chapter-height: calc(100svh - var(--header-h));
    --chapter-pad: 48px;
    --chapter-gap: 24px;
  }
}

@layer base {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 20px);
    background: var(--yhn-white);
  }

  body {
    margin: 0;
    overflow-x: hidden;
    color: var(--yhn-text);
    background: var(--yhn-white);
    font-family: Inter, Aptos, "Segoe UI Variable Text", "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  html[lang="zh-CN"] body {
    font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  }

  body,
  button,
  input,
  select,
  textarea {
    font: inherit;
  }

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

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

  button,
  summary,
  select,
  input[type="file"] {
    cursor: pointer;
  }

  h1,
  h2,
  h3,
  h4,
  p,
  figure,
  ul,
  ol {
    margin-top: 0;
  }

  h1,
  h2,
  h3,
  h4 {
    color: var(--yhn-ink);
    letter-spacing: 0;
    text-wrap: balance;
  }

  p {
    text-wrap: pretty;
  }

  :focus-visible {
    outline: 3px solid rgba(22, 74, 138, 0.38);
    outline-offset: 3px;
  }

  [hidden] {
    display: none !important;
  }

  ::selection {
    color: var(--yhn-white);
    background: var(--yhn-blue);
  }
}

@layer layout {
  main {
    padding-top: var(--header-h);
  }

  main > section[id] {
    scroll-margin-top: calc(var(--header-h) + 18px);
  }

  /* v87: visual refinement is scoped below the locked hero. */
  main > section:not(.hero),
  .site-footer {
    --yhn-ink: #081722;
    --yhn-ink-2: #102a3d;
    --yhn-blue: #1c527f;
    --yhn-blue-soft: #eef1f2;
    --yhn-red: #d52f38;
    --yhn-red-dark: #b9252e;
    --yhn-steel: #f3f4f3;
    --yhn-steel-2: #e8eae9;
    --yhn-paper: #fbfaf7;
    --yhn-text: #202a31;
    --yhn-muted: #687178;
    --yhn-line: #dfe1e1;
    --below-fold-card-shadow: 0 24px 70px rgba(8, 23, 34, 0.07);
  }

  .section-shell {
    width: min(var(--shell), calc(100% - 64px));
    margin-inline: auto;
  }

  .section,
  .engineering-story,
  .turnmill-value,
  .delivery-method,
  .brand-proof {
    position: relative;
    padding-block: var(--below-fold-space);
  }

  .section.alt {
    background: var(--yhn-steel);
  }

  .section-header {
    max-width: 820px;
    margin-bottom: clamp(34px, 3.5vw, 48px);
  }

  .section-header h2,
  .factory-proof-head h2,
  .delivery-method-head h2,
  .turnmill-value header h2,
  .engineering-story-copy h2,
  .contact-panel h2 {
    margin-bottom: 18px;
    font-size: clamp(34px, 3.1vw, 48px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.04em;
  }

  html[lang="zh-CN"] .section-header h2,
  html[lang="zh-CN"] .factory-proof-head h2,
  html[lang="zh-CN"] .delivery-method-head h2,
  html[lang="zh-CN"] .turnmill-value header h2,
  html[lang="zh-CN"] .engineering-story-copy h2,
  html[lang="zh-CN"] .contact-panel h2 {
    line-height: 1.22;
  }

  html[lang="zh-CN"] main > section:not(.hero) h2 {
    overflow-wrap: normal;
    word-break: keep-all;
    text-wrap: wrap;
  }

  .section-header > p:last-child,
  .factory-proof-head p,
  .delivery-method-head p,
  .turnmill-value header > p:last-child,
  .engineering-story-copy > p,
  .contact-panel > div > p:last-child {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--yhn-muted);
    font-size: 16px;
    line-height: 1.6;
  }
}

@layer components {
  .eyebrow,
  .hero-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--yhn-red);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .eyebrow {
    letter-spacing: 0.12em;
  }

  .eyebrow::before,
  .hero-kicker::before {
    content: "";
    flex: 0 0 auto;
    background: var(--yhn-red);
  }

  .eyebrow::before {
    width: 24px;
    height: 2px;
  }

  .hero-kicker::before {
    width: 4px;
    height: 18px;
  }

  .button {
    min-height: 48px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 760;
    line-height: 1;
    transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease);
  }

  .button:hover {
    transform: translateY(-1px);
  }

  .button.primary,
  .quote-button {
    color: var(--yhn-white);
    background: var(--yhn-red);
    box-shadow: 0 10px 24px rgba(217, 52, 62, 0.22);
  }

  .button.primary:hover,
  .quote-button:hover {
    background: var(--yhn-red-dark);
    box-shadow: 0 14px 30px rgba(217, 52, 62, 0.28);
  }

  .button.secondary {
    color: var(--yhn-ink);
    border-color: rgba(7, 26, 51, 0.5);
    background: transparent;
  }

  .button.secondary:hover {
    border-color: var(--yhn-blue);
    background: rgba(255, 255, 255, 0.08);
  }

  .text-button {
    color: var(--yhn-blue);
    background: transparent;
    border-color: transparent;
    box-shadow: none;
  }

  main > section:not(.hero) .button.primary,
  .site-footer .button.primary {
    border-radius: 2px;
    box-shadow: none;
  }

  /* Header */
  .site-header {
    position: fixed;
    z-index: 100;
    inset: 0 0 auto;
    height: var(--header-h);
    border-bottom: 1px solid rgba(244, 243, 238, 0.12);
    background: #071a33;
    transition: box-shadow 200ms var(--ease), background 200ms var(--ease);
  }

  .site-header.is-scrolled {
    background: #071a33;
    box-shadow: 0 12px 34px rgba(1, 10, 24, 0.28);
  }

  main > section[id] { scroll-margin-top: var(--header-h); }

  .nav-shell {
    width: min(1360px, calc(100% - 48px));
    height: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto minmax(235px, 1fr);
    align-items: center;
    gap: 28px;
  }

  .brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .brand-logo-crop {
    width: 116px;
    min-width: 116px;
    height: 50px;
    display: flex;
    align-items: center;
    overflow: hidden;
  }

  .brand-logo-crop img {
    width: 116px;
    height: auto;
    object-fit: contain;
  }

  .brand-identity {
    min-width: 0;
    display: block;
  }

  .brand-identity strong,
  .brand-identity small {
    display: block;
    white-space: nowrap;
  }

  .brand-identity strong {
    color: #f4f3ee;
    font-size: 12px;
    line-height: 1.2;
  }

  .brand-identity small {
    margin-top: 4px;
    color: #aebdbd;
    font-size: 9px;
    line-height: 1.2;
  }

  .nav {
    height: 100%;
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: clamp(18px, 1.6vw, 30px);
    color: #e7ecea;
    font-size: 14px;
    font-weight: 700;
  }

  .nav > a,
  .menu-trigger {
    position: relative;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    border: 0;
    background: transparent;
    color: inherit;
    list-style: none;
    white-space: nowrap;
  }

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

  .nav > a:hover::after,
  .nav > a.is-current::after,
  .menu-wrap[open] .menu-trigger::after {
    transform: scaleX(1);
  }

  .menu-trigger::-webkit-details-marker {
    display: none;
  }

  .menu-trigger {
    gap: 8px;
  }

  .menu-trigger::before {
    content: "";
    order: 2;
    width: 7px;
    height: 7px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
  }

  .menu-wrap {
    position: relative;
  }

  .mega {
    position: fixed;
    z-index: 90;
    top: var(--header-h);
    left: 0;
    width: 100vw;
    max-height: calc(100vh - var(--header-h));
    overflow: auto;
    border-block: 1px solid rgba(244, 243, 238, 0.12);
    background: rgba(7, 26, 51, 0.985);
    box-shadow: 0 24px 60px rgba(1, 10, 24, 0.34);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 0s linear 160ms;
  }

  .menu-wrap[open] .mega,
  .menu-wrap:hover .mega,
  .menu-wrap:focus-within .mega {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition-delay: 0s;
  }

  .mega-content {
    width: min(var(--shell), calc(100% - 64px));
    margin: 0 auto;
    padding: 32px 0 38px;
    display: grid;
    gap: 34px;
  }

  .services-mega {
    grid-template-columns: repeat(3, minmax(0, 1fr)) 230px;
  }

  .editorial-mega {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .mega h4 {
    margin-bottom: 14px;
    color: var(--yhn-red);
    font-size: 11px;
    text-transform: uppercase;
  }

  .mega section > a {
    display: block;
    padding: 9px 0;
  }

  .mega section strong,
  .mega section span {
    display: block;
  }

  .mega section strong {
    font-size: 14px;
  }

  .mega section span {
    margin-top: 3px;
    color: #aebdbd;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
  }

  .mega-quick {
    padding: 22px;
    background: rgba(255, 255, 255, 0.045);
    border-left: 3px solid var(--yhn-blue);
  }

  .mega-quick a {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid rgba(244, 243, 238, 0.12);
    font-size: 13px;
  }

  .article-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .article-preview-grid article {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 6px 16px;
    align-items: start;
  }

  .article-preview-grid img {
    grid-row: 1 / 3;
    width: 140px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .article-preview-grid span {
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 800;
  }

  .nav-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .language-switch {
    display: inline-flex;
    padding: 3px;
    border: 1px solid rgba(244, 243, 238, 0.18);
    background: rgba(255, 255, 255, 0.04);
  }

  .language-switch button {
    min-width: 38px;
    min-height: 32px;
    padding: 0 8px;
    border: 0;
    background: transparent;
    color: #aebdbd;
    font-size: 12px;
    font-weight: 750;
  }

  .language-switch button.is-active {
    color: #071a33;
    background: #f4f3ee;
  }

  .mobile-menu,
  .mobile-language-switch {
    display: none;
  }

  /* Locked hero */
  .cinematic-evidence-hero {
    position: relative;
    min-height: clamp(700px, calc(100svh - 68px), 820px);
    height: clamp(700px, calc(100svh - 64px), 836px);
    overflow: hidden;
    color: var(--yhn-white);
    background: var(--yhn-ink);
  }

  .cinematic-hero-media,
  .cinematic-hero-scene,
  .cinematic-hero-shade {
    position: absolute;
    inset: 0;
  }

  .cinematic-hero-media {
    z-index: 0;
  }

  .cinematic-hero-scene {
    margin: 0;
    opacity: 0;
    transition: opacity 900ms ease;
  }

  .cinematic-hero-scene.is-active {
    opacity: 1;
  }

  .cinematic-hero-scene img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: saturate(0.78) contrast(1.03);
  }

  .cinematic-hero-shade {
    z-index: 1;
    background: linear-gradient(90deg, rgba(5, 18, 34, 0.92) 0%, rgba(5, 18, 34, 0.82) 34%, rgba(5, 18, 34, 0.38) 64%, rgba(5, 18, 34, 0.08) 100%), linear-gradient(0deg, rgba(5, 18, 34, 0.50), transparent 48%);
  }

  .cinematic-hero-inner {
    position: relative;
    z-index: 2;
    width: min(var(--shell), calc(100% - 64px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding-bottom: 116px;
  }

  .cinematic-hero-copy {
    width: min(780px, 70%);
  }

  .cinematic-hero-copy h1 {
    max-width: 780px;
    margin-bottom: 22px;
    color: var(--yhn-white);
    font-size: clamp(50px, 4.2vw, 62px);
    font-weight: 820;
    line-height: 1.04;
    letter-spacing: -0.025em;
  }

  html[lang="zh-CN"] .cinematic-hero-copy h1 {
    font-size: clamp(48px, 4.05vw, 60px);
    line-height: 1.14;
    letter-spacing: 0;
  }

  .hero-brand-line {
    margin-bottom: 22px;
    color: #ff5963;
    font-size: 18px;
    font-weight: 800;
  }

  .cinematic-hero-copy .lead {
    max-width: 620px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 16px;
    line-height: 1.75;
  }

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

  .cinematic-evidence-hero .button.secondary {
    color: var(--yhn-white);
    border-color: rgba(255, 255, 255, 0.72);
  }

  .hero-equipment-proof {
    margin: 26px 0 0;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
    color: rgba(255, 255, 255, 0.70);
    font-size: 12px;
    font-weight: 700;
  }

  .hero-facts {
    position: absolute;
    z-index: 3;
    right: 0;
    bottom: 0;
    left: 0;
    height: 116px;
    color: var(--yhn-white);
    background: rgba(6, 24, 44, 0.72);
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(8px);
  }

  .hero-facts .section-shell,
  .hero-facts ul {
    height: 100%;
  }

  .hero-facts ul {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    list-style: none;
  }

  .hero-facts li {
    min-width: 0;
    padding: 22px 28px;
    display: grid;
    align-content: center;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
  }

  .hero-facts li:first-child {
    border-left: 4px solid var(--yhn-red);
  }

  .hero-facts li:last-child {
    border-right: 0;
  }

  .stat-value,
  .stat-unit {
    color: var(--yhn-white);
    font-size: 24px;
    font-weight: 820;
    line-height: 1;
  }

  .stat-unit {
    margin-left: 4px;
    font-size: 14px;
  }

  .stat-label {
    display: block;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 11px;
    line-height: 1.35;
  }

  .hero-mobile-break {
    display: none;
  }

  /* Part fit and process journey */
  .engineering-story {
    color: var(--yhn-white);
    background: var(--yhn-ink);
  }

  .engineering-story-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(44px, 5vw, 72px);
    align-items: center;
  }

  .engineering-story-copy h2 {
    color: var(--yhn-white);
  }

  .engineering-story-copy > p {
    color: rgba(255, 255, 255, 0.68);
  }

  .engineering-story-facts {
    margin-top: 30px;
    border-top: 1px solid var(--yhn-line-dark);
  }

  .engineering-story-facts article {
    padding: 15px 0;
    display: grid;
    grid-template-columns: minmax(160px, 0.7fr) 1.3fr;
    gap: 24px;
    border-bottom: 1px solid var(--yhn-line-dark);
  }

  .engineering-story-facts strong {
    color: var(--yhn-white);
    font-size: 14px;
  }

  .engineering-story-facts span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
  }

  .engineering-story-media {
    position: relative;
    min-height: 460px;
    margin: 0;
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
  }

  .engineering-story-media::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    pointer-events: none;
  }

  .engineering-story-media img {
    width: 100%;
    height: 100%;
    min-height: 460px;
    object-fit: cover;
    filter: saturate(0.78) contrast(1.04);
  }

  .engineering-story-media figcaption {
    position: absolute;
    z-index: 2;
    right: 20px;
    bottom: 18px;
    padding: 8px 12px;
    color: var(--yhn-ink);
    background: rgba(255, 255, 255, 0.92);
    font-size: 11px;
    font-weight: 800;
  }

  .turnmill-value {
    background: var(--yhn-white);
  }

  .turnmill-value-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(48px, 6vw, 82px);
    align-items: start;
  }

  .turnmill-value header {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .turnmill-value-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    counter-reset: value-card;
  }

  .turnmill-value-grid article {
    position: relative;
    min-height: 176px;
    padding: 25px 26px 24px;
    overflow: hidden;
    border: 1px solid var(--yhn-line);
    background: var(--yhn-paper);
    box-shadow: none;
    counter-increment: value-card;
  }

  .turnmill-value-grid article:first-child {
    border-color: var(--yhn-ink);
    background: var(--yhn-ink);
  }

  .turnmill-value-grid article:first-child h3,
  .turnmill-value-grid article:first-child p {
    color: var(--yhn-white);
  }

  .turnmill-value-grid article:first-child p {
    color: rgba(255, 255, 255, 0.68);
  }

  .turnmill-value-grid article:first-child::before {
    color: rgba(255, 255, 255, 0.42);
  }

  .turnmill-value-grid article::before {
    content: "0" counter(value-card);
    position: absolute;
    top: 22px;
    right: 24px;
    color: #a5b2bf;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.08em;
  }

  .turnmill-value-grid h3 {
    max-width: calc(100% - 44px);
    margin-bottom: 28px;
    font-size: 21px;
  }

  .turnmill-value-grid p {
    margin-bottom: 0;
    color: var(--yhn-muted);
    font-size: 14px;
    line-height: 1.6;
  }

  .delivery-method {
    background: var(--yhn-steel);
    border-block: 1px solid var(--yhn-line);
  }

  .delivery-method-head {
    max-width: 760px;
    margin-bottom: 36px;
  }

  .delivery-method-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 2px solid var(--yhn-ink-2);
    counter-reset: delivery-step;
  }

  .delivery-method-grid article {
    min-height: 172px;
    padding: 26px 30px 24px 0;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 18px;
    border-right: 1px solid #cbd3dc;
    counter-increment: delivery-step;
  }

  .delivery-method-grid article + article {
    padding-left: 32px;
  }

  .delivery-method-grid article:last-child {
    border-right: 0;
  }

  .delivery-method-grid article > span {
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 850;
  }

  .delivery-method-grid h3 {
    margin-bottom: 14px;
    font-size: 20px;
  }

  .delivery-method-grid p {
    margin: 0;
    color: var(--yhn-muted);
    font-size: 15px;
    line-height: 1.6;
  }

  /* Capabilities */
  #services {
    background: var(--yhn-paper);
  }

  .capability-grid,
  .service-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--yhn-line);
  }

  .service-row {
    min-height: 320px;
    display: grid;
    grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
    align-items: stretch;
    border-bottom: 1px solid var(--yhn-line);
    background: var(--yhn-white);
  }

  .service-row:nth-child(even) {
    grid-template-columns: minmax(320px, 0.84fr) minmax(0, 1.16fr);
  }

  .service-row:nth-child(even) figure {
    order: 2;
  }

  .service-row figure {
    min-width: 0;
    height: 320px;
    margin: 0;
    overflow: hidden;
    background: #eceeeb;
  }

  .service-row figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.88) contrast(1.04) brightness(0.99);
    transition: transform 600ms var(--ease), filter 300ms ease;
  }

  .service-row figure.service-media--product img {
    padding: 22px;
    object-fit: contain;
    mix-blend-mode: multiply;
    filter: saturate(0.72) contrast(1.06);
  }

  .service-row:hover figure img {
    transform: scale(1.018);
  }

  .service-row > div {
    padding: clamp(36px, 4vw, 56px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--yhn-white);
  }

  .service-row .card-index {
    margin-bottom: 18px;
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 850;
  }

  .service-row h3 {
    margin-bottom: 16px;
    font-size: clamp(26px, 2.3vw, 34px);
    line-height: 1.18;
  }

  .service-row p {
    max-width: 520px;
    margin-bottom: 18px;
    color: var(--yhn-muted);
    font-size: 14px;
    line-height: 1.55;
  }

  .service-row a {
    align-self: flex-start;
    color: var(--yhn-blue);
    font-size: 13px;
    font-weight: 800;
  }

  /* Factory */
  .brand-proof {
    overflow: hidden;
    background: var(--yhn-ink);
  }

  .factory-proof-head {
    max-width: 780px;
    margin-bottom: 40px;
  }

  .factory-proof-head h2 {
    color: var(--yhn-white);
  }

  .factory-proof-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .factory-proof-card {
    position: relative;
    grid-column: span 6;
    min-height: 360px;
    overflow: hidden;
    background: #132b46;
  }

  .factory-proof-card figure {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    margin: 0;
    overflow: hidden;
  }

  .factory-proof-card:nth-child(3),
  .factory-proof-card:nth-child(4) {
    grid-column: span 6;
  }

  .factory-proof-card img {
    width: 100%;
    height: 100%;
    min-height: 360px;
    object-fit: cover;
    filter: saturate(0.82) contrast(1.06);
    transition: transform 650ms var(--ease);
  }

  .factory-proof-card:hover img {
    transform: scale(1.018);
  }

  .factory-proof-card::after {
    content: "";
    position: absolute;
    inset: 38% 0 0;
    background: linear-gradient(0deg, rgba(3, 15, 24, 0.90), transparent);
    pointer-events: none;
  }

  .factory-proof-card > div {
    position: absolute;
    z-index: 2;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 46px 26px 22px;
    color: var(--yhn-white);
  }

  .factory-proof-card h3 {
    margin-bottom: 8px;
    color: var(--yhn-white);
    font-size: 22px;
  }

  .factory-proof-card p,
  .factory-proof-card span {
    margin: 0;
    color: rgba(255, 255, 255, 0.70);
    font-size: 13px;
    line-height: 1.5;
  }

  /* Markets */
  .served-markets {
    padding: 0;
    overflow: hidden;
    background: var(--yhn-white);
    border-bottom: 1px solid var(--yhn-line);
  }

  .served-markets-heading {
    padding-top: 18px;
    color: var(--yhn-muted);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
  }

  .logo-wall {
    overflow: hidden;
  }

  .logo-track {
    min-width: max-content;
    padding: 14px 0 20px;
    display: flex;
    gap: 14px;
    animation: market-marquee 36s linear infinite;
  }

  .logo-track span {
    min-width: 176px;
    padding: 11px 20px;
    border: 1px solid rgba(8, 23, 34, 0.12);
    color: var(--yhn-muted);
    background: var(--yhn-white);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
  }

  @keyframes market-marquee {
    to { transform: translateX(-50%); }
  }

  /* Gallery */
  #gallery {
    background: var(--yhn-paper);
  }

  .filter-bar {
    margin-bottom: 26px;
    padding: 16px 18px;
    display: flex;
    gap: 14px;
    border: 1px solid var(--yhn-line);
    background: rgba(255, 255, 255, 0.62);
    box-shadow: none;
  }

  .filter-bar label {
    min-width: 220px;
    display: grid;
    gap: 7px;
    color: var(--yhn-ink);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
  }

  .filter-bar select {
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid #cfd3d3;
    border-radius: 2px;
    color: var(--yhn-text);
    background: #fcfcfa;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
  }

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

  .part-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(8, 23, 34, 0.10);
    background: var(--yhn-white);
    box-shadow: none;
    padding: 0;
    cursor: pointer;
    transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }

  .part-card:hover,
  .part-card:focus-within {
    border-color: #b9bebe;
    box-shadow: 0 16px 40px rgba(8, 23, 34, 0.08);
    transform: translateY(-2px);
  }

  .part-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    padding: 14px;
    object-fit: contain;
    background: #f1f1ee;
    mix-blend-mode: multiply;
  }

  .part-card > span,
  .part-card > strong,
  .part-card > small {
    display: block;
    margin-inline: 18px;
  }

  .part-card > span {
    margin-top: 15px;
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 800;
  }

  .part-card > strong {
    min-height: 48px;
    margin-top: 8px;
    color: var(--yhn-ink);
    font-size: 14px;
    line-height: 1.45;
  }

  .part-card > small {
    margin-top: 9px;
    margin-bottom: 15px;
    color: var(--yhn-muted);
    font-size: 11px;
    line-height: 1.45;
  }

  /* Quality */
  #quality {
    background: var(--yhn-white);
  }

  .quality-heading {
    max-width: 860px;
  }

  .quality-hero-photo {
    position: relative;
    height: 450px;
    margin: 0 0 16px;
    overflow: hidden;
    background: var(--yhn-ink);
  }

  .quality-hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.84) contrast(1.04);
  }

  .quality-hero-photo::after {
    content: "";
    position: absolute;
    inset: 48% 0 0;
    background: linear-gradient(0deg, rgba(5, 20, 37, 0.78), transparent);
  }

  .quality-hero-photo figcaption {
    position: absolute;
    z-index: 2;
    right: 26px;
    bottom: 24px;
    left: 26px;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    color: var(--yhn-white);
  }

  .quality-hero-photo strong {
    color: var(--yhn-white);
    font-size: 21px;
  }

  .quality-hero-photo span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 12px;
  }

  .quality-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    gap: 18px;
    align-items: start;
  }

  #quality .quality-grid > div:last-child {
    border-top: 2px solid var(--yhn-ink);
    background: var(--yhn-paper);
  }

  .quality-photo-stack {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .quality-photo {
    margin: 0;
    overflow: hidden;
    background: var(--yhn-steel);
  }

  .quality-photo:first-child {
    grid-column: 1 / -1;
  }

  .quality-photo img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    filter: saturate(0.84) contrast(1.02);
  }

  .quality-facts {
    grid-column: 1 / -1;
    padding: 18px 22px;
    display: grid;
    gap: 5px;
    color: var(--yhn-white);
    background: var(--yhn-ink-2);
  }

  .quality-facts strong {
    font-size: 16px;
  }

  .quality-facts span {
    color: rgba(255, 255, 255, 0.68);
    font-size: 12px;
  }

  .quality-steps {
    border-top: 1px solid var(--yhn-line);
  }

  .quality-step {
    padding: 16px 0;
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 16px;
    border-bottom: 1px solid var(--yhn-line);
  }

  .quality-step > span {
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 850;
  }

  .quality-step h3 {
    margin-bottom: 6px;
    font-size: 17px;
  }

  .quality-step strong {
    color: var(--yhn-ink);
    font-size: 16px;
  }

  .quality-step small {
    grid-column: 2;
    color: var(--yhn-muted);
    font-size: 12px;
    line-height: 1.45;
  }

  .quality-step p {
    margin: 0;
    color: var(--yhn-muted);
    font-size: 13px;
  }

  .certificate-proof {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .certificate-proof figure {
    margin: 0;
    padding: 12px;
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 14px;
    align-items: center;
    border: 1px solid var(--yhn-line);
    background: #fcfcfa;
  }

  .certificate-proof img {
    width: 82px;
    height: 108px;
    object-fit: contain;
    background: var(--yhn-white);
  }

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

  .certificate-proof strong {
    font-size: 14px;
    line-height: 1.35;
  }

  .certificate-proof span {
    margin-top: 5px;
    color: var(--yhn-muted);
    font-size: 12px;
    line-height: 1.5;
  }

  .document-matrix {
    margin-top: 16px;
    overflow-x: auto;
    border: 1px solid var(--yhn-line);
  }

  .document-matrix table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
  }

  .document-matrix th,
  .document-matrix td {
    padding: 10px 13px;
    border-bottom: 1px solid var(--yhn-line);
    text-align: left;
  }

  .document-matrix th {
    color: var(--yhn-ink);
    background: #f2f2ef;
    font-weight: 800;
  }

  .document-matrix tr:last-child td {
    border-bottom: 0;
  }

  /* Resources */
  #resources {
    background: var(--yhn-steel);
    border-top: 1px solid var(--yhn-line);
  }

  .resource-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid #bcc7d2;
    border-left: 1px solid #bcc7d2;
    counter-reset: resource-card;
  }

  .resource-grid article {
    position: relative;
    min-height: 260px;
    padding: 26px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #bcc7d2;
    border-bottom: 1px solid #bcc7d2;
    background: rgba(255, 255, 255, 0.66);
    counter-increment: resource-card;
    transition: background 180ms ease, transform 180ms var(--ease), box-shadow 180ms var(--ease);
  }

  .resource-grid article:first-child {
    color: var(--yhn-white);
    background: var(--yhn-ink);
  }

  .resource-grid article:first-child h3 {
    color: var(--yhn-white);
  }

  .resource-grid article:first-child p {
    color: rgba(255, 255, 255, 0.66);
  }

  .resource-grid article:first-child a {
    color: #ff7a82;
  }

  .resource-grid article::before {
    content: "0" counter(resource-card);
    position: absolute;
    top: 24px;
    right: 24px;
    color: #9cabb9;
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.08em;
  }

  .resource-grid article:hover {
    z-index: 1;
    background: var(--yhn-white);
    box-shadow: 0 18px 48px rgba(8, 23, 34, 0.07);
    transform: translateY(-1px);
  }

  .resource-grid article > span {
    color: var(--yhn-red);
    font-size: 11px;
    font-weight: 850;
  }

  .resource-grid h3 {
    margin: 28px 0 12px;
    font-size: 22px;
    line-height: 1.3;
  }

  .resource-grid p {
    margin-bottom: 18px;
    color: var(--yhn-muted);
    font-size: 14px;
    line-height: 1.55;
  }

  .resource-grid a {
    margin-top: auto;
    color: var(--yhn-blue);
    font-size: 13px;
    font-weight: 800;
  }

  /* RFQ */
  .rfq-section {
    background: var(--yhn-white);
  }

  .rfq-section .section-header {
    max-width: 920px;
  }

  .rfq-panel,
  .contact-panel {
    opacity: 1 !important;
    transform: none !important;
  }

  .rfq-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.85fr);
    border: 0;
    background: var(--yhn-white);
    box-shadow: var(--below-fold-card-shadow);
  }

  .rfq-form {
    padding: clamp(32px, 3.5vw, 46px);
    background: var(--yhn-paper);
  }

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

  .rfq-form label {
    min-width: 0;
    margin-bottom: 12px;
    display: grid;
    gap: 8px;
    color: var(--yhn-ink);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
  }

  .rfq-form input,
  .rfq-form textarea,
  .rfq-form select {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid #c8cece;
    border-radius: 2px;
    color: var(--yhn-text);
    background: #fcfcfa;
    font-size: 14px;
    font-weight: 450;
    line-height: 1.45;
    transition: border-color 160ms ease, box-shadow 160ms ease;
  }

  .rfq-form textarea {
    min-height: 110px;
    resize: vertical;
  }

  .rfq-form input:focus,
  .rfq-form textarea:focus,
  .rfq-form select:focus {
    border-color: var(--yhn-blue);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(22, 74, 138, 0.13);
  }

  .rfq-form input:user-invalid,
  .rfq-form textarea:user-invalid {
    border-color: var(--yhn-red);
  }

  .dropzone {
    position: relative;
    min-height: 96px;
    margin: 2px 0 12px;
    padding: 18px;
    display: grid;
    place-items: center;
    border: 1px dashed #9ca8a8;
    color: var(--yhn-ink);
    background: #f4f4f1;
    text-align: center;
  }

  .dropzone strong,
  .dropzone span {
    display: block;
  }

  .dropzone span {
    margin-top: 5px;
    color: var(--yhn-muted);
    font-size: 13px;
    line-height: 1.4;
  }

  .file-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
  }

  .file-status,
  .rfq-status,
  .rfq-fallback {
    margin: 8px 0;
    color: var(--yhn-muted);
    font-size: 12px;
  }

  .file-status.rejected,
  .rfq-status.rejected {
    color: var(--yhn-red);
  }

  .file-status.accepted,
  .rfq-status.accepted {
    color: var(--yhn-blue);
  }

  .upload-progress {
    height: 4px;
    margin: 10px 0 18px;
    overflow: hidden;
    background: var(--yhn-steel-2);
  }

  .upload-progress i {
    width: 0;
    height: 100%;
    display: block;
    background: var(--yhn-blue);
    transition: width 180ms ease;
  }

  .upload-progress span {
    position: absolute;
    clip: rect(0 0 0 0);
  }

  .rfq-privacy,
  .accepted-file-note {
    color: var(--yhn-muted);
    font-size: 11px;
    line-height: 1.6;
  }

  .side-panel {
    padding: clamp(32px, 3.5vw, 46px);
    color: var(--yhn-white);
    background: #102a3d;
  }

  .side-panel h3 {
    margin-bottom: 22px;
    color: var(--yhn-white);
    font-size: 25px;
  }

  .process-list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: process;
  }

  .process-list li {
    padding: 13px 0;
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 10px;
    border-top: 1px solid var(--yhn-line-dark);
    counter-increment: process;
  }

  .process-list li::before {
    content: "0" counter(process);
    color: #ff5963;
    font-size: 11px;
    font-weight: 850;
  }

  .process-list strong {
    color: var(--yhn-white);
    font-size: 14px;
  }

  .process-list p {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.66);
    font-size: 13px;
    line-height: 1.5;
  }

  .side-panel .accepted-file-note {
    color: rgba(255, 255, 255, 0.58);
  }

  .rfq-side-proof {
    margin-top: 18px;
    border-top: 1px solid var(--yhn-line-dark);
  }

  .rfq-side-proof article {
    padding: 14px 0;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--yhn-line-dark);
  }

  .rfq-side-proof strong {
    color: var(--yhn-white);
    font-size: 17px;
  }

  .rfq-side-proof span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 11px;
    text-align: right;
  }

  /* Contact and footer */
  .contact-section {
    padding-block: 68px;
    color: var(--yhn-white);
    background: #081722;
  }

  .contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
    gap: 64px;
    align-items: start;
  }

  .contact-panel h2 {
    color: var(--yhn-white);
  }

  .contact-panel > div > p:last-child {
    color: rgba(255, 255, 255, 0.66);
  }

  .contact-details {
    border-top: 1px solid var(--yhn-line-dark);
  }

  .contact-details > * {
    margin: 0;
    padding: 14px 0;
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 24px;
    border-bottom: 1px solid var(--yhn-line-dark);
  }

  .contact-details span {
    color: rgba(255, 255, 255, 0.52);
    font-size: 11px;
  }

  .contact-details strong {
    color: var(--yhn-white);
    font-size: 14px;
    font-weight: 650;
  }

  .site-footer {
    padding: 54px 0 22px;
    color: rgba(255, 255, 255, 0.66);
    background: #040e14;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, minmax(0, 0.8fr));
    gap: 40px;
  }

  .footer-grid section {
    min-width: 0;
  }

  .footer-brand-block img {
    width: 178px;
    height: auto;
    object-fit: contain;
    padding: 9px 11px;
    background: var(--yhn-white);
  }

  .footer-brand-block p {
    max-width: 360px;
    margin: 20px 0 0;
    font-size: 13px;
  }

  .footer-grid h3 {
    margin-bottom: 16px;
    color: var(--yhn-white);
    font-size: 13px;
  }

  .footer-grid section > a,
  .footer-grid section > p {
    margin: 0;
    padding: 5px 0;
    display: block;
    font-size: 13px;
    line-height: 1.6;
  }

  .footer-grid .button {
    margin-top: 14px;
    display: inline-flex;
  }

  .footer-bottom {
    margin-top: 36px;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 11px;
  }

  .bottom-rfq {
    position: fixed;
    z-index: 80;
    right: 18px;
    bottom: 18px;
    display: none;
  }

  .icon-button {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 0;
    color: var(--yhn-white);
    background: var(--yhn-ink);
  }
}

@layer responsive {
  /* v86: high-density one-screen composition below the locked hero */
  @media (min-width: 1180px) {
    .engineering-story,
    .turnmill-value,
    .delivery-method,
    #services,
    .brand-proof,
    #gallery,
    #quality,
    #resources,
    .rfq-section {
      padding-block: var(--chapter-pad);
    }

    #quality,
    #rfq {
      padding-block: 28px;
    }

    .section-header,
    .factory-proof-head,
    .delivery-method-head {
      margin-bottom: var(--chapter-gap);
    }

    .section-header h2,
    .factory-proof-head h2,
    .delivery-method-head h2,
    .turnmill-value header h2,
    .engineering-story-copy h2 {
      margin-bottom: 12px;
      font-size: clamp(40px, 3vw, 46px);
    }

    .engineering-story-layout {
      grid-template-columns: minmax(0, 44fr) minmax(0, 56fr);
      gap: 48px;
    }

    .engineering-story-facts {
      margin-top: 22px;
    }

    .engineering-story-facts article {
      padding-block: 11px;
    }

    .engineering-story-media,
    .engineering-story-media img {
      height: 500px;
      min-height: 0;
    }

    .turnmill-value-layout {
      grid-template-columns: minmax(0, 32fr) minmax(0, 68fr);
      gap: 52px;
      align-items: center;
    }

    .turnmill-value header {
      position: static;
    }

    .turnmill-value-grid article {
      min-height: 154px;
      padding: 22px 24px 20px;
      box-shadow: none;
    }

    .turnmill-value-grid h3 {
      margin-bottom: 20px;
      font-size: 19px;
    }

    .delivery-method-head {
      max-width: 900px;
    }

    .delivery-method .section-shell {
      display: grid;
    }

    .delivery-method-grid article {
      min-height: 150px;
      padding-top: 22px;
      padding-bottom: 20px;
    }

    #services .service-list {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      border-left: 1px solid var(--yhn-line);
    }

    .service-row,
    .service-row:nth-child(even) {
      min-height: 230px;
      grid-template-columns: minmax(0, 44fr) minmax(0, 56fr);
      border-right: 1px solid var(--yhn-line);
    }

    .service-row {
      grid-template-columns: minmax(0, 44fr) minmax(0, 56fr);
    }

    .service-row:nth-child(even) figure {
      order: 2;
    }

    .service-row figure {
      height: 230px;
    }

    .service-row figure img {
      padding: 0;
      object-fit: cover;
    }

    .service-row figure.service-media--product img {
      padding: 14px;
      object-fit: contain;
    }

    .service-row > div {
      min-width: 0;
      padding: 24px;
    }

    .service-row .card-index {
      margin-bottom: 10px;
    }

    .service-row h3 {
      margin-bottom: 10px;
      font-size: 22px;
    }

    .service-row p {
      margin-bottom: 10px;
      font-size: 14px;
      line-height: 1.55;
    }

    .factory-proof-head {
      max-width: 920px;
    }

    .factory-proof-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .factory-proof-card,
    .factory-proof-card:nth-child(3),
    .factory-proof-card:nth-child(4) {
      grid-column: auto;
      height: 260px;
      min-height: 260px;
    }

    .factory-proof-card {
      min-height: 260px;
    }

    .factory-proof-card img {
      height: 260px;
      min-height: 260px;
    }

    .factory-proof-card > div {
      padding: 36px 22px 18px;
    }

    .factory-proof-card h3 {
      font-size: 19px;
    }

    .served-markets {
      min-height: 0;
      max-height: 96px;
      border-top: 1px solid var(--yhn-line);
    }

    .served-markets-heading {
      padding-top: 10px;
    }

    .logo-track {
      padding-block: 9px 12px;
      animation: market-marquee 52s linear infinite;
    }

    .logo-track span {
      min-width: 156px;
      padding: 8px 16px;
    }

    #gallery .section-header {
      margin-bottom: 18px;
    }

    .filter-bar {
      min-height: 58px;
      margin-bottom: 14px;
      padding: 10px 14px;
      align-items: end;
    }

    .filter-bar label {
      min-width: 250px;
      grid-template-columns: auto minmax(150px, 1fr);
      align-items: center;
    }

    .filter-bar select {
      min-height: 38px;
    }

    .gallery-grid {
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 10px;
    }

    .part-card img {
      aspect-ratio: 3 / 2;
      padding: 8px;
      object-fit: contain;
    }

    .part-card > span,
    .part-card > strong,
    .part-card > small {
      margin-inline: 11px;
    }

    .part-card > span {
      margin-top: 9px;
      font-size: 10px;
    }

    .part-card > strong {
      min-height: 38px;
      margin-top: 5px;
      font-size: 14px;
      line-height: 1.45;
    }

    .part-card > small {
      min-height: 28px;
      margin-top: 5px;
      margin-bottom: 9px;
      font-size: 11px;
      line-height: 1.45;
    }

    #quality .section-shell {
      display: grid;
      grid-template-columns: minmax(0, 56fr) minmax(0, 44fr);
      grid-template-rows: auto auto auto;
      column-gap: 18px;
      row-gap: 12px;
    }

    #quality .quality-heading {
      grid-column: 1 / -1;
      grid-row: 1;
      max-width: none;
      margin-bottom: 8px;
    }

    #quality .quality-heading > p:last-child {
      max-width: none;
    }

    #quality .quality-hero-photo {
      grid-column: 1;
      grid-row: 2;
      height: 270px;
      margin: 0;
    }

    #quality .quality-grid {
      display: contents;
    }

    #quality .quality-photo-stack {
      grid-column: 1;
      grid-row: 3;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }

    #quality .quality-photo:first-child {
      grid-column: auto;
    }

    #quality .quality-photo img {
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    #quality .quality-facts {
      grid-column: 1 / -1;
      padding: 10px 14px;
    }

    #quality .quality-grid > div:last-child {
      min-width: 0;
      grid-column: 2;
      grid-row: 2 / 4;
    }

    #quality .quality-step {
      padding: 9px 12px;
      grid-template-columns: 34px 1fr;
      gap: 10px;
    }

    #quality .quality-step h3 {
      margin-bottom: 3px;
      font-size: 15px;
    }

    #quality .quality-step p,
    #quality .quality-step small {
      font-size: 12px;
      line-height: 1.45;
    }

    #quality .certificate-proof {
      margin-top: 10px;
      gap: 8px;
    }

    #quality .certificate-proof figure {
      padding: 8px;
      grid-template-columns: 58px 1fr;
      gap: 9px;
    }

    #quality .certificate-proof img {
      width: 58px;
      height: 76px;
    }

    #quality .document-matrix {
      margin-top: 10px;
    }

    #quality .document-matrix table {
      font-size: 11px;
      line-height: 1.35;
    }

    #quality .document-matrix th,
    #quality .document-matrix td {
      padding: 5px 8px;
    }

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

    .resource-grid article {
      min-height: 220px;
      padding: 22px;
    }

    .resource-grid h3 {
      margin-top: 22px;
      font-size: 19px;
    }

    .rfq-section {
      height: auto;
      overflow: visible;
    }

    .rfq-section .section-header {
      margin-bottom: 18px;
    }

    .rfq-panel {
      grid-template-columns: minmax(0, 56fr) minmax(340px, 44fr);
      overflow: visible;
    }

    .rfq-form,
    .side-panel {
      padding: 24px 28px;
    }

    .rfq-form label {
      margin-bottom: 8px;
      gap: 5px;
    }

    .rfq-form input,
    .rfq-form textarea,
    .rfq-form select {
      min-height: 42px;
      padding: 9px 12px;
    }

    .rfq-form textarea {
      min-height: 80px;
    }

    .dropzone {
      min-height: 70px;
      margin-bottom: 8px;
      padding: 12px;
    }

    .upload-progress {
      margin: 7px 0 10px;
    }

    .side-panel h3 {
      margin-bottom: 12px;
      font-size: 22px;
    }

    .process-list li {
      padding: 8px 0;
    }

    .rfq-side-proof {
      margin-top: 10px;
    }

    .rfq-side-proof article {
      padding: 9px 0;
    }

    .contact-section {
      padding-block: 34px;
    }

    .contact-panel {
      grid-template-columns: minmax(0, 35fr) minmax(0, 65fr);
      gap: 52px;
      align-items: center;
    }

    .site-footer {
      padding-block: 42px 20px;
    }
  }

  /* v86: viewport-height forcing is reserved for tall desktop canvases */
  @media (min-width: 1180px) and (min-height: 820px) {
    .delivery-method .section-shell {
      align-content: center;
    }

    .contact-section {
      min-height: 35svh;
      display: flex;
      align-items: center;
    }

    .site-footer {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
  }

  @media (min-width: 901px) and (max-width: 1179px) {
    #services .service-list {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      border: 0;
    }

    .service-row,
    .service-row:nth-child(even) {
      min-height: 0;
      grid-template-columns: 1fr;
      border: 1px solid var(--yhn-line);
    }

    .service-row:nth-child(even) figure {
      order: 0;
    }

    .service-row figure {
      height: auto;
      aspect-ratio: 16 / 9;
    }

    .service-row > div {
      padding: 24px;
    }

    .service-row h3 {
      font-size: 24px;
    }

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

  @media (max-width: 359px) {
    .gallery-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 1240px) {
    .nav-shell {
      width: calc(100% - 32px);
      grid-template-columns: minmax(230px, 1fr) auto minmax(205px, 1fr);
      gap: 18px;
    }

    .brand-logo-crop,
    .brand-logo-crop img {
      width: 104px;
      min-width: 104px;
    }

    .nav {
      gap: 17px;
      font-size: 13px;
    }
  }

  @media (min-width: 1121px) {
    .nav {
      display: flex;
    }
  }

  @media (max-width: 1120px) {
    .nav-shell {
      grid-template-columns: 1fr auto;
    }

    .mobile-menu {
      position: relative;
      z-index: 102;
      width: 48px;
      height: 48px;
      display: grid;
      place-content: center;
      gap: 5px;
      border: 1px solid rgba(244, 243, 238, 0.2);
      background: transparent;
    }

    .mobile-menu span {
      width: 21px;
      height: 2px;
      display: block;
      background: #f4f3ee;
    }

    .nav-actions {
      display: none;
    }

    .nav {
      position: fixed;
      z-index: 101;
      top: var(--header-h);
      right: 0;
      bottom: 0;
      width: min(420px, 100vw);
      height: auto;
      padding: 24px;
      display: none;
      flex-direction: column;
      align-items: stretch;
      justify-content: flex-start;
      gap: 0;
      overflow: auto;
      background: #071a33;
      box-shadow: -18px 24px 50px rgba(1, 10, 24, 0.38);
    }

    .nav.is-open {
      display: flex;
    }

    .nav > a,
    .menu-trigger {
      min-height: 52px;
      border-bottom: 1px solid rgba(244, 243, 238, 0.12);
    }

    .nav > a::after,
    .menu-trigger::after {
      display: none;
    }

    .menu-wrap {
      width: 100%;
    }

    .mega {
      position: static;
      width: auto;
      max-height: none;
      display: none;
      border: 0;
      box-shadow: none;
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: none;
    }

    .menu-wrap[open] .mega {
      display: block;
    }

    .mega-content,
    .services-mega,
    .editorial-mega {
      width: 100%;
      padding: 18px 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

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

    .mobile-language-switch {
      margin-top: 22px;
      display: inline-flex;
      align-self: flex-start;
    }
  }

  @media (max-width: 900px) {
    .section-shell,
    .cinematic-hero-inner {
      width: calc(100% - 48px);
    }

    .engineering-story-layout,
    .turnmill-value-layout,
    .quality-grid,
    .rfq-panel,
    .contact-panel {
      grid-template-columns: 1fr;
    }

    .engineering-story-copy {
      order: 1;
    }

    .engineering-story-media {
      min-height: 430px;
      order: 2;
    }

    .engineering-story-media img {
      min-height: 430px;
    }

    .turnmill-value header {
      position: static;
    }

    .delivery-method-grid,
    .resource-grid {
      grid-template-columns: 1fr;
    }

    .delivery-method-grid article,
    .delivery-method-grid article + article {
      min-height: 0;
      padding: 24px 0;
      border-right: 0;
      border-bottom: 1px solid #cbd3dc;
    }

    .service-row,
    .service-row:nth-child(even) {
      min-height: 0;
      grid-template-columns: 1fr;
    }

    .service-row:nth-child(even) figure {
      order: 0;
    }

    .service-row figure {
      height: auto;
      aspect-ratio: 16 / 9;
    }

    .service-row > div {
      padding: 36px;
    }

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

    .quality-hero-photo {
      height: 430px;
    }

    .side-panel {
      min-height: 0;
    }

    .contact-panel {
      gap: 42px;
    }

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

  @media (max-width: 800px) {
    :root {
      --header-h: 68px;
    }

    .cinematic-evidence-hero {
      height: auto;
      min-height: 0;
      overflow: visible;
      background: var(--yhn-ink);
    }

    .cinematic-hero-media {
      position: absolute;
      inset: 0 0 auto;
      height: 650px;
    }

    .cinematic-hero-scene:not(:first-child) {
      display: none;
    }

    .cinematic-hero-scene:first-child {
      opacity: 1;
      animation: none;
    }

    .cinematic-hero-shade {
      height: 650px;
      background: linear-gradient(90deg, rgba(5, 18, 34, 0.86), rgba(5, 18, 34, 0.56)), linear-gradient(0deg, rgba(5, 18, 34, 0.84), transparent 55%);
    }

    .cinematic-hero-inner {
      height: auto;
      min-height: 650px;
      padding: 64px 0 54px;
      align-items: center;
    }

    .cinematic-hero-copy {
      width: 100%;
    }

    .cinematic-hero-copy h1,
    html[lang="zh-CN"] .cinematic-hero-copy h1 {
      max-width: 660px;
      font-size: clamp(40px, 7.8vw, 56px);
    }

    .hero-facts {
      position: relative;
      inset: auto;
      height: auto;
      min-height: 0;
      background: #071c33;
      backdrop-filter: none;
    }

    .hero-facts .section-shell {
      width: 100%;
    }

    .hero-facts ul {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-facts li {
      min-height: 126px;
      padding: 24px;
      border-right: 1px solid rgba(255, 255, 255, 0.14);
      border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    }

    .hero-facts li:first-child {
      border-left: 0;
      box-shadow: inset 4px 0 0 var(--yhn-red);
    }
  }

  @media (max-width: 720px) {
    :root {
      --section-space: 70px;
      --below-fold-space: 64px;
    }

    .section-shell,
    .cinematic-hero-inner {
      width: calc(100% - 32px);
    }

    .brand-logo-crop,
    .brand-logo-crop img {
      width: 92px;
      min-width: 92px;
    }

    .brand-identity strong {
      max-width: 176px;
      overflow: hidden;
      font-size: 10px;
      text-overflow: ellipsis;
    }

    .brand-identity small {
      font-size: 8px;
    }

    .cinematic-hero-media,
    .cinematic-hero-shade {
      height: 650px;
    }

    .cinematic-hero-inner {
      min-height: 650px;
      padding: 48px 0 42px;
    }

    .cinematic-hero-copy h1,
    html[lang="zh-CN"] .cinematic-hero-copy h1 {
      font-size: clamp(38px, 11vw, 50px);
      line-height: 1.12;
    }

    .hero-mobile-break {
      display: initial;
    }

    .hero-brand-line {
      font-size: 16px;
    }

    .cinematic-hero-copy .lead {
      font-size: 15px;
      line-height: 1.7;
    }

    .hero-actions {
      display: grid;
      grid-template-columns: 1fr;
    }

    .hero-actions .button {
      width: 100%;
    }

    .hero-facts ul {
      grid-template-columns: 1fr;
    }

    .hero-facts li {
      min-height: 107px;
      padding: 22px 24px;
      border-right: 0;
    }

    .engineering-story-facts article {
      grid-template-columns: 1fr;
      gap: 5px;
    }

    .engineering-story-media,
    .engineering-story-media img {
      min-height: 330px;
    }

    .turnmill-value-grid {
      grid-template-columns: 1fr;
    }

    .turnmill-value-grid article {
      min-height: 0;
    }

    .turnmill-value-grid h3 {
      margin-bottom: 18px;
    }

    .factory-proof-grid {
      grid-template-columns: 1fr;
    }

    .factory-proof-card,
    .factory-proof-card:nth-child(3),
    .factory-proof-card:nth-child(4) {
      grid-column: auto;
      min-height: 340px;
    }

    .factory-proof-card img {
      min-height: 340px;
    }

    .filter-bar {
      display: grid;
      grid-template-columns: 1fr;
    }

    .filter-bar label {
      min-width: 0;
    }

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

    .quality-hero-photo {
      height: 320px;
    }

    .quality-hero-photo figcaption {
      display: block;
    }

    .quality-hero-photo span {
      display: block;
      margin-top: 6px;
    }

    .quality-photo-stack,
    .certificate-proof {
      grid-template-columns: 1fr;
    }

    .quality-photo,
    .quality-photo:first-child {
      grid-column: auto;
    }

    .certificate-proof figure {
      grid-template-columns: 72px 1fr;
    }

    .resource-grid {
      border-left: 0;
    }

    .resource-grid article {
      min-height: 0;
      border-left: 1px solid #bcc7d2;
    }

    .form-row {
      grid-template-columns: 1fr;
      gap: 0;
    }

    .rfq-form,
    .side-panel {
      padding: 28px 22px;
    }

    .contact-details > * {
      grid-template-columns: 1fr;
      gap: 5px;
    }

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

    .footer-bottom {
      display: grid;
    }

    .bottom-rfq {
      display: none;
    }

  }

  @media (min-width: 360px) and (max-width: 720px) {
    .gallery-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .part-card img {
      aspect-ratio: 1;
      padding: 8px;
    }

    .part-card > span,
    .part-card > strong,
    .part-card > small {
      margin-inline: 12px;
    }

    .part-card > strong {
      min-height: 64px;
      font-size: 14px;
      line-height: 1.4;
    }

    .part-card > small {
      min-height: 34px;
      font-size: 10px;
      line-height: 1.45;
    }
  }

  @media (max-width: 380px) {
    .brand-identity strong {
      max-width: 146px;
    }

    .cinematic-hero-copy h1,
    html[lang="zh-CN"] .cinematic-hero-copy h1 {
      font-size: 37px;
    }

    .stat-value {
      font-size: 22px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    .cinematic-hero-scene {
      transition: none;
    }

    .logo-track {
      animation: none;
    }
  }
}

/* v90: whole-site industrial editorial tone (start) */
main > section:not(.hero),
.site-footer {
  --yhn-canvas: #f4f2ed;
  --yhn-canvas-alt: #ebeae4;
  --yhn-surface: #fbfaf7;
  --yhn-deep: #17333a;
  --yhn-accent-surface: #31515a;
  --yhn-ink: #142a2f;
  --yhn-ink-2: var(--yhn-accent-surface);
  --yhn-blue: #3d6670;
  --yhn-blue-soft: #e1e6e3;
  --yhn-steel: var(--yhn-canvas-alt);
  --yhn-steel-2: #dfded7;
  --yhn-paper: var(--yhn-surface);
  --yhn-text: #30464a;
  --yhn-muted: #6b7775;
  --yhn-line: #d3d1c9;
  --yhn-line-dark: rgba(255, 255, 255, 0.18);
  --below-fold-card-shadow: 0 18px 48px rgba(23, 51, 58, 0.08);
}

.engineering-story {
  color: var(--yhn-deep);
  background: var(--yhn-canvas);
}

.engineering-story-copy h2,
.engineering-story-facts strong {
  color: var(--yhn-deep);
}

.engineering-story-copy > p,
.engineering-story-facts span {
  color: var(--yhn-muted);
}

.engineering-story-facts {
  border-top-color: var(--yhn-line);
}

.engineering-story-facts article {
  border-bottom-color: var(--yhn-line);
}

.engineering-story-media {
  border: 1px solid var(--yhn-line);
  box-shadow: 0 18px 44px rgba(23, 51, 58, 0.12);
}

.engineering-story-media::before {
  border-color: rgba(23, 51, 58, 0.12);
}

.turnmill-value,
#services,
#gallery,
#quality,
.rfq-section {
  background: var(--yhn-canvas);
}

.delivery-method,
#resources,
.served-markets {
  background: var(--yhn-canvas-alt);
}

.turnmill-value-grid article,
.service-row,
.service-row > div,
.filter-bar,
.part-card,
#quality .quality-grid > div:last-child,
.certificate-proof figure,
.resource-grid article,
.rfq-panel,
.rfq-form,
.rfq-form input,
.rfq-form textarea,
.rfq-form select {
  background: var(--yhn-surface);
}

.brand-proof {
  background: var(--yhn-deep);
}

.side-panel {
  background: var(--yhn-deep);
}

.contact-section {
  background: var(--yhn-deep);
}

.site-footer {
  background: var(--yhn-deep);
}

.turnmill-value-grid article:first-child {
  border-color: var(--yhn-accent-surface);
  background: var(--yhn-accent-surface);
}

.resource-grid article:first-child {
  background: var(--yhn-accent-surface);
}

.resource-grid article:hover {
  background: var(--yhn-surface);
}

.resource-grid article:first-child:hover {
  color: var(--yhn-text);
}

.resource-grid article:first-child:hover h3 {
  color: var(--yhn-ink);
}

.resource-grid article:first-child:hover p {
  color: var(--yhn-muted);
}

.resource-grid article:first-child:hover a {
  color: var(--yhn-blue);
}

@media (min-width: 1180px) and (min-height: 820px) {
  .engineering-story,
  .turnmill-value,
  .delivery-method,
  #resources {
    height: auto;
  }

  #services,
  .brand-proof,
  #gallery,
  #quality,
  .rfq-section {
    min-height: clamp(700px, 82svh, 780px);
    display: grid;
    align-items: center;
  }
}
/* v90: whole-site industrial editorial tone (end) */

/* v91: component proportion refinement (start) */
@media (min-width: 801px) {
  .nav-actions {
    gap: 10px;
  }

  .nav-actions .quote-button {
    min-height: 42px;
    padding: 0 18px;
    border-radius: 2px;
    background: #17333a;
    box-shadow: none;
    font-size: 13px;
  }

  .nav-actions .quote-button:hover {
    background: #102a31;
    box-shadow: none;
  }

  .nav-actions .language-switch {
    height: 36px;
    padding: 3px;
  }

  .nav-actions .language-switch button {
    min-width: 32px;
    min-height: 28px;
    padding: 0 6px;
  }

  .hero-facts {
    height: 92px;
    background: rgba(7, 26, 51, 0.78);
    backdrop-filter: blur(14px);
  }

  .hero-facts li {
    padding: 14px 28px;
  }

  .hero-facts li:first-child {
    border-left: 0;
  }

  .hero-facts .stat-value {
    font-size: 28px;
  }

  .hero-facts .stat-label {
    font-size: 10px;
  }
}

.hero-facts li:first-child {
  box-shadow: none;
}

.certificate-proof {
  gap: 0;
  border-block: 1px solid var(--yhn-line);
  background: var(--yhn-surface);
}

.certificate-proof figure {
  padding: 8px 14px;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  border: 0;
  background: transparent;
}

.certificate-proof figure + figure {
  border-left: 1px solid var(--yhn-line);
}

.certificate-proof img {
  width: 46px;
  height: 60px;
}

.certificate-proof strong {
  font-size: 13px;
}

.certificate-proof span {
  font-size: 11px;
}

.footer-grid section > .button {
  min-width: 112px;
  min-height: 42px;
  padding: 0 18px;
}

@media (min-width: 1180px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.15fr) repeat(3, minmax(0, 0.85fr));
    gap: 48px;
  }

  .footer-brand-block {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .footer-brand-block img {
    width: 120px;
    padding: 6px 8px;
  }

  .footer-brand-block p {
    max-width: none;
    margin: 0;
  }

  .footer-bottom {
    margin-top: 28px;
  }
}

@media (max-width: 720px) {
  .certificate-proof figure + figure {
    border-left: 0;
    border-top: 1px solid var(--yhn-line);
  }

  .certificate-proof img {
    width: 46px;
    height: 60px;
  }
}

@media (max-width: 520px) {
  .footer-brand-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .footer-brand-block p {
    margin: 0;
  }
}
/* v91: component proportion refinement (end) */

/* v92: continuous dark cinematic system (start) */
.engineering-story {
  color: #d9e1de;
  background: #0d252b;
}

.turnmill-value {
  color: #d9e1de;
  background: #102c32;
}

.delivery-method {
  color: #d9e1de;
  background: #17363d;
  border-color: rgba(244, 243, 238, 0.16);
}

#services {
  color: #d9e1de;
  background: #193f47;
}

.brand-proof {
  color: #d9e1de;
  background: #0d252b;
}

.served-markets {
  color: #d9e1de;
  background: #17363d;
  border-color: rgba(244, 243, 238, 0.16);
}

.served-markets .served-markets-heading {
  color: #f4f3ee;
}

.served-markets .logo-track span {
  border: 1px solid rgba(244, 243, 238, 0.2);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
}

#gallery {
  color: #d9e1de;
  background: #102c32;
}

#quality {
  color: #d9e1de;
  background: #17363d;
}

#resources {
  color: #d9e1de;
  background: #193f47;
  border-color: rgba(244, 243, 238, 0.16);
}

.rfq-section {
  color: #d9e1de;
  background: #0d252b;
}

.contact-section {
  color: #d9e1de;
  background: #102c32;
}

.site-footer {
  color: #d9e1de;
  background: #0d252b;
}

.engineering-story h2,
.engineering-story h3,
.turnmill-value h2,
.turnmill-value h3,
.delivery-method h2,
.delivery-method h3,
#services h2,
#services h3,
.brand-proof h2,
.brand-proof h3,
#gallery h2,
#gallery h3,
#quality h2,
#quality h3,
#resources h2,
#resources h3,
.rfq-section h2,
.rfq-section h3,
.contact-section h2,
.contact-section h3,
.site-footer h2,
.site-footer h3 {
  color: #f4f3ee;
}

.engineering-story p,
.engineering-story li,
.turnmill-value p,
.turnmill-value li,
.delivery-method p,
.delivery-method li,
#services p,
#services li,
.brand-proof p,
.brand-proof li,
#gallery p,
#gallery li,
#quality p,
#quality li,
#resources p,
#resources li,
.rfq-section p,
.rfq-section li,
.contact-section p,
.contact-section li,
.site-footer p,
.site-footer li {
  color: #c8d3d0;
}

.engineering-story a,
.turnmill-value a,
.delivery-method a,
#services a,
.brand-proof a,
#gallery a,
#quality a,
#resources a,
.rfq-section a,
.contact-section a,
.site-footer a,
.engineering-story figcaption,
.brand-proof figcaption,
#gallery figcaption,
#quality figcaption {
  color: #e7e9e4;
}

.engineering-story .engineering-story-facts {
  gap: 12px;
  border-top-color: rgba(244, 243, 238, 0.24);
}

.engineering-story .engineering-story-facts article {
  padding: 16px 0 16px 18px;
  border-bottom: none;
  border-left: 2px solid var(--yhn-red);
}

.engineering-story .engineering-story-facts strong {
  color: #f4f3ee;
}

.engineering-story .engineering-story-facts span {
  color: #c8d3d0;
}

.engineering-story .engineering-story-media {
  border: 0;
  background: #102c32;
  box-shadow: none;
}

.engineering-story .engineering-story-media::before {
  border: 0;
}

.engineering-story .engineering-story-media img {
  position: absolute;
  inset: -10px;
  width: calc(100% + 20px);
  height: calc(100% + 20px);
  max-width: none;
  min-height: 0;
  filter: saturate(0.88) contrast(1.08) brightness(0.92);
}

.engineering-story .engineering-story-media figcaption {
  color: #f4f3ee;
  background: rgba(13, 37, 43, 0.88);
}

.turnmill-value .turnmill-value-grid article,
.turnmill-value .turnmill-value-grid article:first-child {
  border-color: rgba(244, 243, 238, 0.18);
  color: #d9e1de;
  background: #17363d;
  box-shadow: none;
}

.turnmill-value .turnmill-value-grid article:first-child {
  border-left-color: var(--yhn-red);
  border-left-width: 2px;
}

.turnmill-value .turnmill-value-grid article::before,
.turnmill-value .turnmill-value-grid article:first-child::before {
  color: #f4f3ee;
}

.turnmill-value .turnmill-value-grid h3,
.turnmill-value .turnmill-value-grid article:first-child h3 {
  color: #f4f3ee;
}

.turnmill-value .turnmill-value-grid p,
.turnmill-value .turnmill-value-grid article:first-child p {
  color: #c8d3d0;
}

.delivery-method .delivery-method-grid {
  border-top-color: rgba(244, 243, 238, 0.42);
}

.delivery-method .delivery-method-grid article,
.delivery-method .delivery-method-grid article + article {
  border-color: rgba(244, 243, 238, 0.16);
}

.delivery-method .delivery-method-grid article > span {
  color: #f4f3ee;
}

#services .service-list {
  border-color: rgba(244, 243, 238, 0.18);
}

#services .service-row {
  border: 1px solid rgba(244, 243, 238, 0.18);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
}

#services .service-row > div {
  background: #102c32;
}

#services .service-row figure {
  background: #17363d;
}

#services .service-row figure img {
  mix-blend-mode: normal;
  filter: saturate(0.9) contrast(1.08) brightness(0.9);
  transition: filter 220ms ease;
}

#services .service-row:hover figure img {
  transform: none;
  filter: saturate(0.98) contrast(1.08) brightness(0.94);
}

#services .service-row .card-index,
#services .service-row a {
  color: #f4f3ee;
}

.brand-proof .factory-proof-card {
  border: 1px solid rgba(244, 243, 238, 0.18);
  background: #17363d;
  box-shadow: none;
}

.brand-proof .factory-proof-card::after {
  background: rgba(13, 37, 43, 0.42);
}

.brand-proof .factory-proof-card img {
  filter: saturate(0.88) contrast(1.08) brightness(0.9);
  transition: filter 220ms ease;
}

.brand-proof .factory-proof-card:hover img {
  transform: none;
  filter: saturate(0.96) contrast(1.08) brightness(0.94);
}

#gallery .filter-bar {
  border-color: rgba(244, 243, 238, 0.2);
  color: #d9e1de;
  background: #17363d;
  box-shadow: none;
}

#gallery .filter-bar label,
#gallery .filter-bar select {
  color: #e7e9e4;
}

#gallery .filter-bar select {
  border-color: rgba(244, 243, 238, 0.24);
  background: #102c32;
}

#gallery .part-card {
  border-color: rgba(244, 243, 238, 0.18);
  color: #d9e1de;
  background: #17363d;
  box-shadow: none;
  transition: border-color 180ms ease;
}

#gallery .part-card:hover,
#gallery .part-card:focus-within {
  border-color: var(--yhn-red-dark);
  box-shadow: none;
  transform: none;
}

#gallery .part-card img {
  mix-blend-mode: normal;
  background: #193f47;
  filter: saturate(0.9) contrast(1.06) brightness(0.94);
}

#gallery .part-card > span {
  color: #f4f3ee;
}

#gallery .part-card > strong {
  color: #f4f3ee;
}

#gallery .part-card > small {
  color: #c8d3d0;
}

#quality .quality-hero-photo,
#quality .quality-photo {
  border: 1px solid rgba(244, 243, 238, 0.18);
  background: #102c32;
  box-shadow: none;
}

#quality .quality-hero-photo::after {
  background: rgba(13, 37, 43, 0.34);
}

#quality .quality-hero-photo img,
#quality .quality-photo img {
  filter: saturate(0.88) contrast(1.08) brightness(0.92);
}

#quality .quality-grid > div:last-child {
  border: 1px solid rgba(244, 243, 238, 0.18);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
}

#quality .quality-facts {
  background: #193f47;
}

#quality .quality-steps,
#quality .quality-step {
  border-color: rgba(244, 243, 238, 0.16);
}

#quality .quality-step > span {
  color: #f4f3ee;
}

#quality .quality-step strong,
#quality .quality-step small {
  color: #d9e1de;
}

#quality .certificate-proof {
  border: 1px solid rgba(244, 243, 238, 0.22);
  color: #f4f3ee;
  background: #102c32;
  box-shadow: none;
}

#quality .certificate-proof figure {
  border: 1px solid rgba(244, 243, 238, 0.18);
  color: #f4f3ee;
  background: #17363d;
  box-shadow: none;
}

#quality .certificate-proof figure + figure {
  border-color: rgba(244, 243, 238, 0.18);
}

#quality .certificate-proof img {
  background: #f4f3ee;
}

#quality .certificate-proof span {
  color: #c8d3d0;
}

#quality .document-matrix {
  border-color: rgba(244, 243, 238, 0.2);
  background: #102c32;
}

#quality .document-matrix table {
  color: #d9e1de;
  background: #102c32;
}

#quality .document-matrix th,
#quality .document-matrix td {
  border-color: rgba(244, 243, 238, 0.16);
  color: #d9e1de;
  background: #102c32;
}

#quality .document-matrix th {
  color: #f4f3ee;
  background: #193f47;
}

#resources .resource-grid {
  border-color: rgba(244, 243, 238, 0.18);
}

#resources .resource-grid article,
#resources .resource-grid article:first-child {
  border-color: rgba(244, 243, 238, 0.18);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
  transition: border-color 180ms ease, background-color 180ms ease;
}

#resources .resource-grid article::before,
#resources .resource-grid article:first-child a {
  color: #f4f3ee;
}

#resources .resource-grid article > span {
  color: #f4f3ee;
}

#resources .resource-grid h3,
#resources .resource-grid article:first-child h3 {
  color: #f4f3ee;
}

#resources .resource-grid p,
#resources .resource-grid article:first-child p {
  color: #c8d3d0;
}

#resources .resource-grid a {
  color: #e7e9e4;
}

#resources .resource-grid article:hover {
  border-color: var(--yhn-red-dark);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
  transform: none;
}

.rfq-section .rfq-panel {
  border: 1px solid rgba(244, 243, 238, 0.2);
  color: #d9e1de;
  background: #102c32;
  box-shadow: none;
}

.rfq-section .rfq-form {
  border: 1px solid rgba(244, 243, 238, 0.2);
  color: #f4f3ee;
  background: #17363d;
  box-shadow: none;
}

.rfq-section .rfq-form label {
  color: #e7e9e4;
}

.rfq-section .rfq-form input,
.rfq-section .rfq-form textarea,
.rfq-section .rfq-form select {
  border: 1px solid rgba(244, 243, 238, 0.26);
  color: #f4f3ee;
  background: #102c32;
  box-shadow: none;
}

.rfq-section .rfq-form input::placeholder,
.rfq-section .rfq-form textarea::placeholder {
  color: #c8d3d0;
  opacity: 0.78;
}

.rfq-section .rfq-form input:focus,
.rfq-section .rfq-form textarea:focus,
.rfq-section .rfq-form select:focus {
  border-color: var(--yhn-red-dark);
  outline: 2px solid var(--yhn-red);
  outline-offset: 1px;
  box-shadow: none;
}

.rfq-section .rfq-form input:user-invalid,
.rfq-section .rfq-form textarea:user-invalid {
  border-color: var(--yhn-red);
  outline: 2px solid var(--yhn-red);
  outline-offset: 1px;
  box-shadow: none;
}

.rfq-section .rfq-form select option {
  color: #f4f3ee;
  background: #102c32;
}

.rfq-section .dropzone {
  border-color: rgba(244, 243, 238, 0.32);
  color: #e7e9e4;
  background: #102c32;
  box-shadow: none;
}

.rfq-section .upload-progress {
  border: 1px solid rgba(244, 243, 238, 0.22);
  background: #102c32;
  box-shadow: none;
}

.rfq-section .upload-progress span {
  color: #f4f3ee;
}

.rfq-section .rfq-form .button.text-button {
  color: #f4f3ee;
  background: transparent;
  box-shadow: none;
}

.rfq-section .rfq-form .button.text-button:hover {
  border-color: rgba(244, 243, 238, 0.28);
  color: #f4f3ee;
  background: #102c32;
  box-shadow: none;
  transform: none;
}

.rfq-section .dropzone span,
.rfq-section .file-status,
.rfq-section .rfq-status,
.rfq-section .rfq-fallback,
.rfq-section .rfq-privacy,
.rfq-section .accepted-file-note {
  color: #c8d3d0;
}

.rfq-section .file-status li {
  padding-left: 10px;
  border-left: 2px solid rgba(244, 243, 238, 0.28);
  color: #c8d3d0;
}

.rfq-section .file-status li.accepted {
  border-left-color: #9fd8b4;
  color: #f4f3ee;
}

.rfq-section .file-status li.rejected {
  border-left-color: var(--yhn-red);
  color: #f4f3ee;
}

.rfq-section .side-panel {
  color: #f4f3ee;
  background: #193f47;
}

.rfq-section .process-list li,
.rfq-section .rfq-side-proof,
.rfq-section .rfq-side-proof article {
  border-color: rgba(244, 243, 238, 0.18);
}

.rfq-section .process-list li::before {
  color: #f4f3ee;
}

.contact-section .contact-details {
  border: 1px solid rgba(244, 243, 238, 0.22);
  color: #f4f3ee;
  background: #102c32;
  box-shadow: none;
}

.contact-section .contact-details > * {
  border-bottom: 1px solid rgba(244, 243, 238, 0.18);
  color: #f4f3ee;
  background: transparent;
  box-shadow: none;
}

.contact-section .contact-details span {
  color: #c8d3d0;
}

.contact-section .contact-details strong {
  color: #f4f3ee;
}

.site-footer .footer-grid h3,
.site-footer .footer-grid a {
  color: #f4f3ee;
}

.site-footer .footer-grid p,
.site-footer .footer-bottom {
  color: #c8d3d0;
}

.site-footer .button.primary,
.site-footer .button.primary:hover {
  color: #fff;
  background: var(--yhn-red-dark);
  box-shadow: none;
  transform: none;
}

.site-footer .footer-bottom {
  border-color: rgba(244, 243, 238, 0.18);
}

.site-footer .footer-brand-block img {
  border: 1px solid rgba(244, 243, 238, 0.22);
  background: #f4f3ee;
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  #services .service-row figure img,
  .brand-proof .factory-proof-card img,
  #gallery .part-card,
  #resources .resource-grid article,
  .rfq-section .rfq-form input,
  .rfq-section .rfq-form textarea,
  .rfq-section .rfq-form select {
    transition: none;
    transform: none;
  }
}
/* v92: continuous dark cinematic system (end) */

/* v93: detail refinement (start) */
.site-header .brand {
  gap: 10px;
}

.site-header .brand-logo-crop {
  width: 108px;
  min-width: 108px;
  height: 44px;
}

.site-header .brand-logo-crop img {
  width: 108px;
}

.site-header .brand-identity strong {
  font-size: 13px;
  letter-spacing: -0.01em;
}

.site-header .brand-identity small {
  margin-top: 3px;
  font-size: 9.5px;
  letter-spacing: 0.02em;
}

@media (min-width: 801px) {
  .hero-facts {
    height: 80px;
    border-top: 1px solid rgba(244, 243, 238, 0.16);
    background: rgba(13, 37, 43, 0.9);
    backdrop-filter: blur(10px);
  }

  .hero-facts li {
    padding: 10px 28px;
    align-content: center;
  }

  .hero-facts .stat-value {
    font-size: 26px;
    line-height: 1;
  }

  .hero-facts .stat-label {
    margin-top: 6px;
    letter-spacing: 0.02em;
  }
}

@media (min-width: 901px) {
  #services .service-row {
    grid-template-columns: 44% 56%;
  }

  #services .service-row:nth-child(even) {
    grid-template-columns: 56% 44%;
  }

  #services .service-row > div {
    display: grid;
    grid-template-rows: 52px 66px;
    row-gap: 10px;
    align-content: center;
    padding: clamp(24px, 2.4vw, 34px);
  }

  #services .service-row h3,
  #services .service-row p {
    margin: 0;
  }
}

#services .service-row figure {
  padding: 14px;
  background: #102c32;
}

#services .service-row figure img {
  width: 100%;
  height: 100%;
}

#services .service-row figure.service-media--product {
  padding: 14px;
  background: #102c32;
}

#services .service-row figure.service-media--product img {
  padding: 0;
  object-fit: contain;
  background: #e9e9e5;
}

.served-markets {
  padding: 18px 0 20px;
  border-block: 1px solid rgba(244, 243, 238, 0.14);
}

.served-markets .served-markets-heading {
  padding-top: 0;
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.08em;
}

.served-markets .served-markets-heading::before {
  content: "";
  width: 20px;
  height: 1px;
  flex: 0 0 auto;
  background: var(--yhn-red);
}

.served-markets .logo-wall {
  overflow: hidden;
}

.served-markets .logo-track {
  width: 100%;
  min-width: 0;
  max-width: 1240px;
  margin-inline: auto;
  padding: 0;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  animation: none;
}

.served-markets .logo-track span {
  position: relative;
  min-width: 0;
  padding: 7px 18px;
  border: 0;
  color: #c8d3d0;
  background: transparent;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.served-markets .logo-track span:nth-child(n + 9) {
  display: none;
}

.served-markets .logo-track span + span::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - 6px);
  width: 1px;
  height: 12px;
  background: rgba(244, 243, 238, 0.2);
}

#gallery .filter-bar {
  padding: 0 0 16px;
  border: 0;
  background: transparent;
}

#gallery .filter-bar select {
  appearance: none;
  padding: 0 38px 0 14px;
  background-color: #102c32;
  background-image:
    linear-gradient(45deg, transparent 50%, #c8d3d0 50%),
    linear-gradient(135deg, #c8d3d0 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 50%,
    calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

#gallery .filter-bar select:focus-visible {
  border-color: var(--yhn-red-dark);
  outline: 2px solid var(--yhn-red);
  outline-offset: 2px;
}

#gallery .part-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
}

#gallery .part-card > span {
  min-height: 13px;
  letter-spacing: 0.06em;
}

#gallery .part-card > strong {
  min-height: 46px;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.4;
}

#gallery .part-card > small {
  min-height: 36px;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.5;
}

#quality .certificate-proof {
  margin-top: 12px;
  border: 0;
  border-top: 1px solid rgba(244, 243, 238, 0.2);
  border-bottom: 1px solid rgba(244, 243, 238, 0.2);
  background: transparent;
}

#quality .certificate-proof figure {
  padding: 9px 12px;
  border: 0;
  color: #f4f3ee;
  background: transparent;
}

#quality .certificate-proof figure + figure {
  border-left: 1px solid rgba(244, 243, 238, 0.16);
}

#quality .certificate-proof strong {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.rfq-section .rfq-side-proof {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(244, 243, 238, 0.18);
  border-bottom: 1px solid rgba(244, 243, 238, 0.18);
}

.rfq-section .rfq-side-proof article {
  min-width: 0;
  min-height: 92px;
  padding: 12px 14px;
  display: grid;
  grid-template-rows: 35px 29px;
  align-items: start;
  align-content: start;
  justify-content: normal;
  gap: 4px;
  border: 0;
  border-left: 1px solid rgba(244, 243, 238, 0.14);
}

.rfq-section .rfq-side-proof article:first-child {
  border-left: 0;
}

.rfq-section .rfq-side-proof strong {
  font-size: 14px;
  line-height: 1.25;
}

.rfq-section .rfq-side-proof span {
  font-size: 10px;
  line-height: 1.45;
  text-align: left;
}

@media (min-width: 1180px) {
  .site-footer .footer-brand-block {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 16px;
  }
}

.site-footer .footer-brand-block img {
  width: 104px;
  padding: 8px 10px;
  border: 1px solid rgba(244, 243, 238, 0.28);
  background: #f4f3ee;
}

.site-footer .footer-brand-block p {
  max-width: 240px;
  font-size: 12px;
  line-height: 1.65;
}

@media (max-width: 800px) {
  .site-header .brand {
    gap: 8px;
  }

  .site-header .brand-logo-crop {
    width: 92px;
    min-width: 92px;
  }

  .site-header .brand-logo-crop img {
    width: 92px;
  }

  .site-header .brand-identity strong {
    max-width: 176px;
    font-size: 10px;
  }

  .site-header .brand-identity small {
    font-size: 8px;
  }

  .served-markets {
    padding-block: 16px;
  }

  .served-markets .logo-wall {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .served-markets .logo-wall::-webkit-scrollbar {
    display: none;
  }

  .served-markets .logo-track {
    width: max-content;
    min-width: max-content;
    padding-inline: 16px;
    justify-content: flex-start;
    flex-wrap: nowrap;
  }

  .rfq-section .rfq-side-proof {
    grid-template-columns: 1fr;
  }

  .rfq-section .rfq-side-proof article,
  .rfq-section .rfq-side-proof article:first-child {
    min-height: 0;
    padding-inline: 0;
    grid-template-rows: auto auto;
    border-left: 0;
    border-top: 1px solid rgba(244, 243, 238, 0.14);
  }

  .rfq-section .rfq-side-proof article:first-child {
    border-top: 0;
  }
}

@media (max-width: 720px) {
  #quality .certificate-proof figure + figure {
    border-left: 0;
    border-top: 1px solid rgba(244, 243, 238, 0.16);
  }
}

@media (max-width: 520px) {
  .site-footer .footer-brand-block img {
    width: 100px;
  }

  .site-footer .footer-brand-block p {
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .served-markets .logo-track {
    animation: none;
  }
}
/* v93: detail refinement (end) */

/* v94: blue-black evidence system (start) */
.engineering-story,.turnmill-value,.delivery-method,#services,.brand-proof,.served-markets,#gallery,#quality,#resources,.rfq-section,.contact-section,.site-footer{background:#071a33;}.engineering-story .engineering-story-media,.turnmill-value .turnmill-value-grid article,.delivery-method .delivery-method-grid article,#services .service-row,#services .service-row > div,#services .service-row figure,.brand-proof .factory-proof-card,#gallery .filter-bar,#gallery .part-card,#quality .quality-hero-photo,#quality .quality-photo,#quality .quality-grid > div:last-child,#quality .certificate-proof figure,#quality .document-matrix,#quality .document-matrix table,#quality .document-matrix td,#resources .resource-grid article,.rfq-section .rfq-panel,.rfq-section .rfq-form,.rfq-section .rfq-form input,.rfq-section .rfq-form textarea,.rfq-section .rfq-form select,.rfq-section .dropzone,.rfq-section .upload-progress,.contact-section .contact-details,.contact-section .contact-details > *{background:#102c36;}#quality .quality-facts,#quality .document-matrix th,.rfq-section .side-panel,.rfq-section .rfq-side-proof article{background:#14343d;}#services .service-row figure img,#gallery .part-card img,#quality .certificate-proof img,.site-footer .footer-brand-block img{background:#edf0ef;}#quality .certificate-proof,.rfq-section .rfq-side-proof{background:transparent;}.turnmill-value .turnmill-value-grid article:first-child,#resources .resource-grid article:first-child,#services .service-row figure.service-media--product{background:#102c36;}#services .service-row figure.service-media--product img{background:#edf0ef;}
@media (min-width: 801px) {
  .site-header .nav-actions .quote-button{border:1px solid rgba(244, 243, 238, 0.68);color:#f4f3ee;background:transparent;box-shadow:none;}.site-header .nav-actions .quote-button:hover,.site-header .nav-actions .quote-button:focus-visible{color:#071a33;background:#f4f3ee;box-shadow:none;transform:none;}}
.served-markets .logo-wall{overflow-x:hidden;}.served-markets .logo-track{width:max-content;min-width:max-content;max-width:none;margin-inline:0;justify-content:flex-start;flex-wrap:nowrap;animation:market-marquee 44s linear infinite;}.served-markets .logo-track span:nth-child(n + 9){display:block;}.served-markets .logo-wall:hover .logo-track{animation-play-state:paused;}#services .service-row figure img{width:100%;height:100%;object-fit:contain;filter:none;}#services .service-row:hover figure img{filter:none;transform:none;}#gallery .part-card img{width:100%;height:auto;aspect-ratio:4 / 3;object-fit:contain;filter:none;}#gallery .part-card > span{color:rgba(244,243,238,0.68);font-size:10px;}#gallery .part-card > strong{color:#f4f3ee;font-size:15px;}#gallery .part-card > small{color:rgba(244,243,238,0.78);font-size:12px;}#quality .quality-hero-photo{height:auto;aspect-ratio:5 / 3;}#quality .quality-hero-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;filter:none;}#quality .quality-photo{aspect-ratio:16 / 9;}#quality .quality-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;filter:none;}#quality .certificate-proof figure{grid-template-columns:72px minmax(0,1fr);align-items:center;}#quality .certificate-proof img{width:72px;height:94px;box-sizing:border-box;padding:3px;background:#edf0ef;border:1px solid rgba(244,243,238,0.28);object-fit:contain;filter:contrast(1.08) saturate(1.08);}#quality .certificate-proof figcaption{align-self:start;padding-top:24px;}.brand-proof .factory-proof-card::after{background:linear-gradient( 0deg,rgba(3,15,24,0.9) 0%,rgba(3,15,24,0.68) 52%,transparent 100% );}.site-footer .footer-brand-block img{box-shadow:none;}
@media (min-width: 1180px) {
  .site-footer .footer-brand-block{grid-template-columns:116px minmax(0,1fr);align-items:start;}.site-footer .footer-brand-block img{width:116px;padding:7px 9px;}}
@media (max-width: 800px) {
  .served-markets .logo-wall{overflow-x:hidden;}.served-markets .logo-track{animation-duration:56s;}}
@media (prefers-reduced-motion: reduce) {
  .served-markets .logo-wall{overflow-x:auto;}.served-markets .logo-track{animation:none;transform:none;}}
/* v94: blue-black evidence system (end) */

/* v95: evidence hierarchy and brand integration (start) */
:root {
  --yhn-red-on-light: #b9252e;
  --yhn-red-on-dark: #ef5963;
}

.hero-kicker {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero-kicker::before {
  width: 16px;
  height: 1.5px;
  background: var(--yhn-red-on-dark);
}

.hero-brand-line {
  color: var(--yhn-red-on-dark);
  font-size: 16px;
  font-weight: 750;
}

#quality .quality-hero-photo {
  box-sizing: border-box;
  padding: 0;
  border-color: rgba(244, 243, 238, 0.13);
  background: #102c36;
}

#quality .quality-hero-photo img {
  border: 0;
  object-fit: cover;
  object-position: 50% 52%;
}

#quality .quality-hero-photo::after {
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(5, 20, 37, 0.72) 0%,
    rgba(5, 20, 37, 0.34) 28%,
    transparent 58%
  );
}

#quality .quality-hero-photo figcaption {
  right: 26px;
  bottom: 22px;
  left: 26px;
}

#quality .certificate-proof {
  margin-top: 10px;
  padding: 0;
  gap: 10px;
  border: 0;
  background: transparent;
}

#quality .certificate-proof figure {
  min-height: 92px;
  padding: 10px 12px;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 12px;
  border: 0;
  background: #14343d;
}

#quality .certificate-proof figure + figure {
  border-left: 0;
}

#quality .certificate-proof img {
  width: 60px;
  height: 80px;
  padding: 0;
  border: 0;
  background: transparent;
  object-fit: contain;
  filter: contrast(1.08) saturate(1.08);
}

#quality .certificate-proof figcaption {
  min-width: 0;
  padding-top: 0;
  display: grid;
  grid-template-rows: 20px 34px;
  align-self: center;
  align-content: center;
}

#quality .certificate-proof strong {
  align-self: start;
  font-size: 13px;
  line-height: 1.35;
}

#quality .certificate-proof span {
  margin-top: 0;
  font-size: 11px;
  line-height: 1.45;
}

#quality .document-matrix {
  margin-top: 10px;
  border-color: rgba(244, 243, 238, 0.12);
}

#quality .document-matrix th,
#quality .document-matrix td {
  padding: 7px 10px;
  border-color: rgba(244, 243, 238, 0.1);
}

#quality .document-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.site-footer .footer-brand-block {
  grid-template-columns: 1fr;
  align-self: start;
  align-content: start;
  gap: 14px;
  padding-left: 18px;
  border-left: 2px solid rgba(226, 48, 58, 0.82);
}

.site-footer .footer-brand-block .brand-logo-art {
  width: 152px;
  height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.site-footer .footer-brand-block p {
  max-width: 280px;
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}

@media (min-width: 801px) {
  .hero-facts li:last-child .stat-value {
    font-size: 23px;
    letter-spacing: -0.01em;
  }
}

@media (max-width: 720px) {
  #quality .certificate-proof {
    padding: 0;
    gap: 8px;
  }

  #quality .certificate-proof figure + figure {
    border-top: 0;
  }
}

@media (max-width: 520px) {
  .site-footer .footer-brand-block {
    padding-left: 14px;
  }

  .site-footer .footer-brand-block .brand-logo-art {
    width: 136px;
  }
}
/* v95: evidence hierarchy and brand integration (end) */

/* v96: industrial media alignment (start) */
.brand-logo-defs { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }

#services .service-row figure.service-media--product {
  background: #061729;
}

#services .service-row figure.service-media--product img {
  background: transparent;
  object-fit: contain;
  mix-blend-mode: normal;
  transform: none;
}

#services .service-row:nth-child(2) figure.service-media--product img {
  content: url("../assets/yhn-v96-liquid-connectors-dark-studio.png");
}

#services .service-row:nth-child(3) figure.service-media--product img {
  content: url("../assets/yhn-v96-valve-blocks-dark-studio.png");
}

#gallery .part-card img {
  background: #eef2f4;
  object-fit: contain;
  mix-blend-mode: normal;
  transform: none;
}

#services .service-media--factory img,
#services .service-media--metrology img,
.brand-proof .factory-proof-card img,
#quality .quality-hero-photo img,
#quality .quality-photo img {
  mix-blend-mode: normal;
}

#quality .certificate-proof img { mix-blend-mode: screen; }

.served-markets .served-markets-heading {
  justify-content: center;
}

.served-markets .logo-wall {
  width: calc(100% - 48px);
  max-width: 1240px;
  margin-inline: auto;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 48px, #000 calc(100% - 48px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 48px, #000 calc(100% - 48px), transparent 100%);
}

.site-header .brand-logo-crop {
  width: 82px;
  min-width: 82px;
  height: 50px;
  overflow: visible;
  display: grid;
  place-items: center;
}

.site-header .brand-logo-crop .brand-logo-art {
  width: 82px;
  height: auto;
  max-width: 100%;
  transform: none;
}

.site-footer .footer-brand-block .brand-logo-art {
  width: 120px;
  height: auto;
  overflow: hidden;
  transform: none;
}

@media (max-width: 800px) {
  .served-markets .logo-wall {
    width: calc(100% - 24px);
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 20px, #000 calc(100% - 20px), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 20px, #000 calc(100% - 20px), transparent 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .served-markets .logo-wall {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .served-markets .logo-track {
    animation: none;
    transform: none;
  }
}
/* v96: industrial media alignment (end) */
/* v97: capability card layout (start) */
#services .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;border:0;}#services .service-row,#services .service-row:nth-child(even){display:grid;grid-template-columns:minmax(0,44%) minmax(0,56%);min-height:230px;border:0;border-radius:6px;overflow:hidden;background:#102c36;box-shadow:inset 0 0 0 1px rgba(244,243,238,0.045);}#services .service-row:nth-child(even) figure{order:0;}#services .service-row figure{height:230px;padding:0;background:#0b2234;}#services .service-row figure.service-media--product{height:230px;padding:0;background:#c6cbcf;isolation:isolate;}#services .service-row figure img{width:100%;height:100%;padding:0;background:transparent;object-fit:cover;mix-blend-mode:normal;opacity:1;filter:saturate(0.92) contrast(1.04) brightness(0.97);transform:none;}#services .service-row figure.service-media--product img{width:100%;height:100%;padding:0;background:transparent;object-fit:contain;mix-blend-mode:multiply;opacity:1;filter:saturate(0.86) contrast(1.06) brightness(1.06);transform:none;}#services .service-row:nth-child(2) figure.service-media--product img{content:url("../assets/yhn-v78-part-liquid-connectors.webp");}#services .service-row:nth-child(3) figure.service-media--product img{content:url("../assets/yhn-v78-part-valve-block-silver.webp");}#services .service-row:hover figure img{transform:none;}#services .service-row > div{display:flex;flex-direction:column;justify-content:center;padding:28px 30px;background:#102c36;}#services .service-row h3{margin:0 0 12px;font-size:20px;line-height:1.35;}#services .service-row p{margin:0;font-size:14px;line-height:1.72;}
@media (min-width: 901px) and (max-width: 1179px) {
  #services .service-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}#services .service-row,#services .service-row:nth-child(even){grid-template-columns:1fr;grid-template-rows:auto 1fr;min-height:0;}#services .service-row:nth-child(even) figure{order:0;}#services .service-row figure,#services .service-row figure.service-media--product{height:auto;padding:0;aspect-ratio:16 / 10;}#services .service-row > div{padding:26px 28px 30px;}}
@media (max-width: 900px) {
  #services .service-list{grid-template-columns:1fr;gap:16px;}#services .service-row,#services .service-row:nth-child(even){grid-template-columns:1fr;grid-template-rows:auto 1fr;min-height:0;}#services .service-row:nth-child(even) figure{order:0;}#services .service-row figure,#services .service-row figure.service-media--product{height:auto;padding:0;aspect-ratio:16 / 10;}#services .service-row > div{padding:24px;}}
/* v97: capability card layout (end) *//* v107: C2 verified hero facts */.hero-facts{background:linear-gradient(102deg, #0b2831 0%, #0d3038 58%, #0a2234 100%);overflow:hidden}.hero-facts li{min-width:0;box-sizing:border-box;border-right:1px solid rgba(255,255,255,.16)}.hero-facts li:last-child{border-right:0}.hero-facts .stat-label{font-size:10px;font-weight:650;line-height:1.2;letter-spacing:.08em;color:rgba(255,255,255,.68)}.hero-facts .stat-value,.hero-facts .stat-number span.stat-value{color:#f7f8f6;font-size:36px;font-weight:700;line-height:.94;letter-spacing:-0.035em}.hero-facts .stat-number{display:inline-flex;align-items:baseline;font-variant-numeric:tabular-nums lining-nums;white-space:nowrap}.hero-facts .stat-unit{margin-left:0;font-size:12px;font-weight:650;line-height:1;color:rgba(255,255,255,.78)}.hero-facts .stat-standards{display:flex;flex-direction:column;gap:4px}.hero-facts .stat-standard{color:#f7f8f6;font-size:18px;font-weight:700;line-height:1.08}@media (min-width: 801px){.hero-facts{height:112px}.hero-facts ul{grid-template-columns:repeat(4,minmax(0,1fr))}.hero-facts li{padding:18px 27px 17px;display:flex;flex-direction:column;justify-content:center}}@media (max-width: 800px){.hero-facts{position:relative;inset:auto;height:auto}.hero-facts ul{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-facts li{min-height:0;padding:18px 20px;border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.hero-facts li:nth-child(odd){border-right:1px solid rgba(255,255,255,.16)}.hero-facts li:nth-last-child(-n + 2){border-bottom:0}}@media (max-width: 720px){.hero-facts ul{grid-template-columns:1fr}.hero-facts li{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.hero-facts li:nth-child(odd){border-right:0}.hero-facts li:nth-last-child(-n + 2){border-bottom:1px solid rgba(255,255,255,.16)}.hero-facts li:last-child{border-bottom:0}}/* end v107 */

/* v108: representative parts hover preview */
.part-card-media {
  margin: 0;
  display: block;
  min-width: 0;
  overflow: hidden;
  flex: 0 0 auto;
  width: 100%;
}
#gallery .part-card {
  cursor: default;
}
#gallery .part-card:hover,
#gallery .part-card:focus-within {
  border-color: rgba(244, 243, 238, 0.28);
  box-shadow: none;
  transform: none;
}
.part-hover-preview {
  position: fixed;
  z-index: 190;
  pointer-events: none;
  overflow: hidden;
  background: #eef2f4;
  border: 1px solid rgba(7, 26, 51, 0.16);
  box-shadow: 0 24px 60px rgba(7, 26, 51, 0.22), 0 6px 18px rgba(22, 74, 138, 0.14);
  opacity: 0;
  transform: scale(0.96);
  transform-origin: center center;
  transition: opacity 200ms ease, transform 220ms var(--ease);
}
.part-hover-preview.is-visible {
  opacity: 1;
  transform: scale(1);
}
.part-hover-preview[hidden] {
  display: none;
}
.part-hover-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #eef2f4;
}
@media (hover: hover) and (pointer: fine) {
  [data-part-preview-trigger] {
    cursor: zoom-in;
  }
}
@media (prefers-reduced-motion: reduce) {
  .part-hover-preview,
  .part-hover-preview.is-visible {
    transform: none;
  }
  .part-hover-preview {
    transition: opacity 1ms linear;
  }
}
/* end v108 */
/* v109: hero facts typography refinement */.hero-facts .stat-label{margin-top:0;font-size:10.5px;font-weight:650;line-height:1;letter-spacing:.065em;color:rgba(255,255,255,.61)}.hero-facts .stat-number{margin-top:15px}.hero-facts .stat-value,.hero-facts .stat-number span.stat-value{font-size:38px;font-weight:680;line-height:.82;letter-spacing:-.042em}.hero-facts .stat-unit{margin-left:8px;font-size:11px;font-weight:650;line-height:1;letter-spacing:.035em;color:rgba(255,255,255,.74)}.hero-facts .stat-standards{margin-top:15px;display:flex;flex-direction:row;align-items:baseline;gap:14px;white-space:nowrap}.hero-facts .stat-standard{font-size:17px;font-weight:680;line-height:1;letter-spacing:-.015em}.hero-facts .stat-standard + .stat-standard{padding-left:14px;border-left:1px solid rgba(255,255,255,.24)}@media (min-width:1101px){.hero-facts li{padding:16px 31px 15px}}@media (min-width:801px) and (max-width:1100px){.hero-facts li{padding:16px 20px 15px}.hero-facts .stat-value,.hero-facts .stat-number span.stat-value{font-size:34px}.hero-facts .stat-unit{font-size:10px}.hero-facts .stat-standards{gap:8px}.hero-facts .stat-standard{font-size:14px}.hero-facts .stat-standard + .stat-standard{padding-left:8px}}/* end v109 */
/* v110: metrology focus */#services .service-media--metrology img{object-position:68% 50%}/* end v110 */