@import url("https://fonts.googleapis.com/css2?family=Lora:wght@400;500&family=Noto+Serif+SC:wght@300;500;700&display=swap");
@font-face {
  font-family: "DIN 1451 Fette Breitschrift 1936";
  src: url("assets/fonts/DIN1451-36breit.ttf") format("truetype");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

:root{--bg:#fff;--header-bg:rgba(255,255,255,.97);--surface:#fafafa;--card-bg:#fff;--text:#111;--muted:#565656;--subtle:#7a7a7a;--line:#d8d8d8;--soft-line:#ececec;--accent:#ed2174;--green:#5cfc90;--accent-soft:#fae8f0;--max-width:1180px;--nav-width:1320px;--brand-divider:var(--green)}
:root[data-theme="dark"]{--bg:#101011;--header-bg:rgba(16,16,17,.96);--surface:#1a1a1d;--card-bg:#171719;--text:#f4f4f4;--muted:#c9c9c9;--subtle:#999;--line:#333338;--soft-line:#25252a;--accent:#5cfc90;--green:#5cfc90;--accent-soft:#173822;--brand-divider:#ed2174}
*{box-sizing:border-box}html{overflow-y:scroll;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Lora","Noto Serif SC","Source Han Serif SC","Songti SC",serif;font-size:16px;font-weight:300;line-height:1.75;transition:background .2s,color .2s}a{color:inherit;text-decoration:none}p{margin:0;color:var(--muted);text-wrap:pretty}img{display:block;max-width:100%}.site-header{position:sticky;top:0;z-index:20;background:var(--header-bg);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav{width:min(var(--nav-width),calc(100% - 32px));min-height:82px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:14px;flex:0 0 auto}.brand-logos img{width:38px;height:38px;object-fit:contain}:root[data-theme="dark"] .brand-logos img{filter:invert(1) grayscale(1) contrast(1.18)}.brand-text{display:inline-flex;align-items:baseline;gap:12px;line-height:1.2;white-space:nowrap}.brand-text strong,.brand-text small{font-family:"Noto Serif SC","Source Han Serif SC",serif;font-size:19px;font-weight:500;letter-spacing:.02em}.brand-text strong{display:inline-flex;align-items:baseline;gap:13px}.brand-text strong:after{content:"";display:inline-block;width:3px;height:18px;background:var(--brand-divider);transform:translateY(2px)}.brand-text small{color:var(--accent)}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:clamp(10px,1vw,16px);font-size:15px;white-space:nowrap}.nav-menu{position:relative;display:inline-flex;align-items:center}.nav-links>a,.nav-menu>a{position:relative;padding:28px 0 25px;color:var(--text);font-size:15px;transition:color .16s,font-size .16s}.nav-links>a.is-active,.nav-menu>a.is-active{font-size:16px;font-weight:500}.nav-links>a:after,.nav-menu>a:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s}.nav-links>a.is-active:after,.nav-menu>a.is-active:after{transform:scaleX(1)}.nav-dropdown{position:absolute;top:100%;left:50%;min-width:200px;padding:18px;background:var(--card-bg);border:1px solid var(--line);box-shadow:0 18px 48px rgba(0,0,0,.12);transform:translate(-50%,8px);opacity:0;visibility:hidden;display:grid;gap:10px;transition:.18s}.nav-menu:hover .nav-dropdown,.nav-menu:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}.nav-dropdown a{padding:6px 10px;border-left:3px solid var(--green);color:var(--muted)}.nav-dropdown a:hover{color:var(--text);background:var(--surface)}.nav-toggle,.theme-toggle{border:1px solid var(--line);background:var(--card-bg);color:var(--text)}.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;gap:4px;flex-direction:column}.nav-toggle span{width:18px;height:2px;background:currentColor}.theme-toggle{width:78px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:7px}.theme-icon{width:22px;height:22px;fill:currentColor}.theme-icon-sun{color:#ed2174}.theme-icon-moon{color:#666}:root[data-theme="dark"] .theme-icon-sun{color:#777}:root[data-theme="dark"] .theme-icon-moon{color:#5cfc90}main{min-height:70vh}.home-hero{width:min(1440px,calc(100% - 48px));margin:38px auto 0;display:grid;grid-template-columns:minmax(340px,.86fr) minmax(460px,1.14fr);gap:38px;align-items:center}.home-hero-copy h1{margin:0;font-size:clamp(56px,8vw,118px);line-height:.98;font-weight:500;letter-spacing:0}.home-hero-copy h1 span,.home-hero-copy h1 small{display:block}.home-hero-copy h1 small{margin-top:8px;color:var(--accent);font-size:clamp(26px,3.2vw,48px)}.home-hero-copy>p{max-width:620px;margin-top:28px;font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:32px}.text-link,.inline-link{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:500}.text-link:after,.inline-link:after{content:">";color:var(--accent)}.hero-media{overflow:hidden;border:1px solid var(--line);background:var(--surface)}.brand-poster img{width:100%;height:min(58vw,620px);object-fit:cover}.home-quote{width:min(var(--max-width),calc(100% - 40px));margin:42px auto 0;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}.home-quote p{font-size:clamp(26px,4vw,54px);color:var(--text);letter-spacing:.08em}.home-quote span{display:block;margin-top:8px;color:var(--accent)}.section-block{width:min(var(--max-width),calc(100% - 40px));margin:74px auto}.page-hero{width:min(var(--max-width),calc(100% - 40px));margin:72px auto 0;display:grid;grid-template-columns:1fr minmax(260px,520px);gap:36px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:34px}.page-label{margin:0 0 10px;color:var(--accent);text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:500}.page-hero h1{margin:0;font-size:clamp(44px,7vw,96px);line-height:1.04;font-weight:500}.page-hero>p{font-size:18px}.intro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.intro-grid article{background:var(--bg);padding:36px}.intro-grid h2,.section-heading h2,.text-stack h2,.detail-panel h2,.process-grid h2{margin:0 0 12px;font-size:28px;line-height:1.25;font-weight:500}.entry-grid,.group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.group-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.entry-card{min-height:220px;border:1px solid var(--line);background:var(--card-bg);padding:22px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .18s,border-color .18s,box-shadow .18s}.entry-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 18px 48px rgba(0,0,0,.1)}.entry-card figure{height:150px;margin:-6px -6px 18px;display:grid;place-items:center;background:var(--surface);overflow:hidden}.entry-card figure img{width:100%;height:100%;object-fit:contain}.entry-card span{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.12em}.entry-card strong{margin-top:6px;font-size:24px;line-height:1.25;font-weight:500}.entry-card small{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.6}.split-section,.group-detail,.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:28px;align-items:center}.split-section p,.text-stack p,.contact-layout p{margin-top:12px}.media-frame,.group-symbol{border:1px solid var(--line);background:var(--surface);overflow:hidden}.media-frame img{width:100%;height:420px;object-fit:cover}.group-symbol{display:grid;place-items:center;min-height:360px}.group-symbol img{width:70%;max-height:300px;object-fit:contain}:root[data-theme="dark"] .group-symbol img,:root[data-theme="dark"] .entry-card figure img:not([src*="鎴愪负"]):not([src*="鏆楄壊"]){filter:invert(1) grayscale(1) contrast(1.1)}.detail-panel{align-self:stretch;border:1px solid var(--line);padding:32px;background:var(--card-bg);display:flex;flex-direction:column;justify-content:center;gap:24px}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:8px 12px;border:1px solid var(--line);background:var(--surface);color:var(--text)}.process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.process-grid article{background:var(--bg);padding:28px;min-height:210px}.process-grid article>span{display:block;margin-bottom:20px;color:var(--accent);font-size:28px}.timeline{display:grid;gap:0;border-left:1px solid var(--line)}.timeline article{position:relative;padding:0 0 34px 34px}.timeline article span{position:absolute;left:-7px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--accent)}.timeline h2{margin:0 0 8px;font-size:28px;font-weight:500}.text-stack{max-width:860px}.contact-card,address{font-style:normal;border:1px solid var(--line);background:var(--card-bg);padding:30px}.site-footer{margin-top:90px;padding:34px 20px;border-top:1px solid var(--line);text-align:center}.site-footer p{font-size:14px;color:var(--subtle)}@media (max-width:1100px){.brand-text small{display:none}.nav-links{gap:10px}.group-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home-hero{grid-template-columns:1fr}.page-hero{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:860px){.nav{min-height:72px}.nav-toggle{display:inline-flex}.nav-links{position:absolute;left:0;right:0;top:72px;background:var(--header-bg);border-bottom:1px solid var(--line);padding:16px 24px;display:none;flex-direction:column;align-items:stretch;white-space:normal}.nav-links.is-open{display:flex}.nav-links>a,.nav-menu>a{padding:10px 0}.nav-menu{display:block}.nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;margin:6px 0 10px;padding:10px;background:var(--surface)}.theme-toggle{width:54px}.theme-icon-moon{display:none}.brand-text strong{font-size:17px}.home-hero{width:min(100% - 28px,720px);margin-top:28px}.home-hero-copy h1{font-size:52px}.section-block,.page-hero{width:calc(100% - 28px);margin-top:48px}.intro-grid,.entry-grid,.group-grid,.split-section,.group-detail,.contact-layout,.process-grid{grid-template-columns:1fr}.media-frame img{height:300px}.entry-card{min-height:auto}.group-symbol{min-height:260px}}
/* First visual tuning pass after content review */
.home-hero {
  width: min(1260px, calc(100% - 56px));
  grid-template-columns: minmax(300px, 0.74fr) minmax(520px, 1.26fr);
  gap: 46px;
  margin-top: 54px;
}
.home-hero-copy h1 {
  font-size: clamp(42px, 5.4vw, 82px);
  line-height: 1.08;
}
.home-hero-copy h1 small {
  font-size: clamp(22px, 2.3vw, 34px);
}
.home-hero-copy > p {
  max-width: 560px;
  font-size: 17px;
}
.hero-media.brand-poster {
  border: 0;
  background: #070707;
}
.brand-poster img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
}
.page-hero {
  margin-top: 62px;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.82fr);
  gap: 44px;
}
.page-hero h1 {
  max-width: 820px;
  font-size: clamp(40px, 4.65vw, 72px);
  line-height: 1.08;
}
.page-hero > p {
  max-width: 560px;
  font-size: 17px;
}
.group-grid {
  gap: 20px;
}
.group-grid .entry-card {
  min-height: 330px;
}
.group-grid .entry-card figure {
  height: 138px;
  margin: -2px -2px 20px;
}
.group-grid .entry-card figure img {
  width: 82%;
  height: 82%;
}
.entry-card strong {
  font-size: 22px;
}
.entry-card small {
  font-size: 14px;
  line-height: 1.7;
}
@media (max-width: 1200px) {
  .home-hero {
    grid-template-columns: 1fr;
  }
  .brand-poster img {
    max-height: none;
  }
}
@media (max-width: 860px) {
  .home-hero {
    width: calc(100% - 28px);
    gap: 28px;
  }
  .home-hero-copy h1 {
    font-size: clamp(40px, 12vw, 56px);
  }
  .page-hero h1 {
    font-size: clamp(36px, 11vw, 52px);
  }
  .group-grid .entry-card {
    min-height: auto;
  }
}

.method-list {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.method-list article {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 34px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.method-list article:first-child {
  border-top: 0;
}
.method-list span {
  color: var(--accent);
  font-size: 30px;
  line-height: 1.1;
  font-weight: 500;
}
.method-list h2 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1.24;
  font-weight: 500;
}
.method-list p {
  max-width: 820px;
  margin-top: 14px;
  font-size: 16px;
}
@media (max-width: 860px) {
  .method-list article {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 0;
  }
  .method-list h2 {
    font-size: 24px;
  }
}


/* Reused organization visualization from the mechanical group site */
.qianli-hero > p {
  max-width: 520px;
}

.organization-section {
  padding-top: 52px;
}

.organization-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1fr);
  align-items: end;
  gap: 72px;
  margin-bottom: 28px;
}

.organization-intro h2 {
  margin: 2px 0 0;
  font-size: 38px;
  font-weight: 500;
  line-height: 1.3;
}

.organization-intro > p {
  max-width: 660px;
  padding-bottom: 5px;
  font-size: 17px;
  line-height: 1.8;
}

.organization-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(680px, 100%);
  margin-bottom: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.organization-tabs button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 18px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 15px;
  outline: none;
  cursor: pointer;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.organization-tabs button svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  fill: currentColor;
}

.organization-tabs button:last-child {
  border-right: 0;
}

.organization-tabs button::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: -1px;
  left: 18px;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transform: scaleX(0.35);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.organization-tabs button:hover,
.organization-tabs button:focus-visible,
.organization-tabs button.is-active {
  background: var(--card-bg);
  color: var(--text);
}

.organization-tabs button.is-active {
  font-weight: 500;
}

.organization-tabs button.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.organization-tabs button:focus-visible {
  box-shadow: inset 0 0 0 1px var(--accent);
}

.organization-stage {
  min-height: 590px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.org-lane {
  display: grid;
  grid-template-columns: minmax(190px, 0.28fr) minmax(0, 1fr);
  gap: 34px;
  padding: 26px 0;
  border-bottom: 1px solid var(--soft-line);
}

.org-lane:last-child {
  border-bottom: 0;
}

.org-lane-label {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-content: start;
  gap: 10px;
  padding-top: 4px;
}

.org-lane-label > span {
  color: var(--accent);
  font-family: "Lora", serif;
  font-size: 13px;
  font-weight: 500;
}

.org-lane-label h2 {
  margin: 0 0 7px;
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
}

.org-lane-label p {
  font-size: 13px;
  line-height: 1.65;
}

.org-lane-track {
  display: grid;
  align-items: stretch;
  gap: 14px;
}

.org-lane-track--single {
  grid-template-columns: minmax(0, 1fr);
}

.org-lane-track--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.org-lane-track--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.org-lane-track--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.org-lane-track--five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.org-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  min-height: 142px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card-bg);
  outline: none;
  transition:
    opacity 160ms linear,
    transform 160ms ease,
    border-color 160ms ease,
    background-color 240ms ease,
    box-shadow 160ms ease;
}

.org-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--soft-line);
  transition: background-color 160ms ease;
}

.org-card:hover,
.org-card:focus-visible,
.org-card.is-focused {
  z-index: 2;
  border-color: var(--accent);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.org-card:hover::before,
.org-card:focus-visible::before,
.org-card.is-focused::before {
  background: var(--accent);
}

.organization-stage.has-focus .org-card {
  opacity: 0.48;
}

.organization-stage.has-focus .org-card.is-focused {
  opacity: 1;
}

.org-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 5px 12px;
}

.org-card-head h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.35;
}

.org-card-head > span {
  color: var(--accent);
  font-size: 12px;
  line-height: 1.5;
}

.org-card-detail {
  font-size: 13px;
  line-height: 1.65;
}

.org-card-tags,
.org-child-units {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.org-card-tag {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  line-height: 1.4;
}

.org-child-units .org-card-tag {
  flex: 1 1 100px;
  justify-content: center;
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}

.org-card--management {
  min-height: 188px;
  border-color: var(--accent);
  background: var(--accent-soft);
}

.org-card--management::before,
.org-card--global::before {
  background: var(--brand-divider);
}

.org-card--tone-blue {
  background: color-mix(in srgb, var(--card-bg) 91%, #6e9dca);
}

.org-card--tone-blue::before {
  background: #6e9dca;
}

.org-card--tone-teal {
  background: color-mix(in srgb, var(--card-bg) 91%, #64aaa0);
}

.org-card--tone-teal::before {
  background: #64aaa0;
}

.org-card--tone-green {
  background: color-mix(in srgb, var(--card-bg) 91%, #62a66f);
}

.org-card--tone-green::before {
  background: #62a66f;
}

.org-card--tone-amber {
  background: color-mix(in srgb, var(--card-bg) 91%, #c59a4b);
}

.org-card--tone-amber::before {
  background: #c59a4b;
}

.org-card--tone-violet {
  background: color-mix(in srgb, var(--card-bg) 91%, #8976b2);
}

.org-card--tone-violet::before {
  background: #8976b2;
}

.org-card--tone-rose {
  background: color-mix(in srgb, var(--card-bg) 91%, #bd6f84);
}

.org-card--tone-rose::before {
  background: #bd6f84;
}

.org-management-sections {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 18px;
}

.org-management-sections > div {
  display: grid;
  align-content: start;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.org-management-sections strong {
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
}

.org-card--advisor::before {
  background: #9a6bbd;
}

.org-card--core::before {
  background: #c49a36;
}

.org-card--formal::before {
  background: #9aa1aa;
}

.org-card--trainee::before {
  background: #b9784b;
}

.organization-context {
  display: grid;
  grid-template-columns: minmax(120px, 0.22fr) minmax(0, 1fr);
  gap: 22px;
  min-height: 72px;
  padding: 17px 0 0;
}

.organization-context strong {
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}

.organization-context span {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .about-subpage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .organization-intro {
    grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
    gap: 36px;
  }

  .org-lane {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
  }

  .org-lane-track--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .org-lane-track--five {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .organization-section {
    padding-top: 36px;
  }

  .organization-intro {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 22px;
  }

  .organization-intro h2 {
    font-size: 29px;
  }

  .organization-intro > p {
    min-width: 0;
    font-size: 15px;
  }

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

  .organization-tabs button:nth-child(2) {
    border-right: 0;
  }

  .organization-tabs button:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .organization-stage {
    min-height: 0;
  }

  .org-lane {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 0;
  }

  .org-lane-label {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .org-lane-track--two,
  .org-lane-track--three,
  .org-lane-track--four,
  .org-lane-track--five {
    grid-template-columns: 1fr;
  }

  .org-card {
    min-height: 0;
  }

  .org-management-sections,
  .organization-context {
    grid-template-columns: 1fr;
  }

  .organization-context {
    gap: 4px;
    min-height: 94px;
  }
}

/* Polished technical group cards: normalized icon canvas and fixed baselines */
.group-grid {
  align-items: stretch;
}
.group-grid .entry-card {
  display: grid;
  grid-template-rows: 174px 42px 52px minmax(112px, 1fr);
  align-content: start;
  justify-content: stretch;
  min-height: 438px;
  padding: 26px 22px 28px;
}
.group-grid .entry-card figure {
  width: 100%;
  height: 174px;
  margin: 0;
  display: grid;
  place-items: center;
  background: var(--surface);
}
.group-grid .entry-card figure img {
  width: 142px;
  height: 142px;
  object-fit: contain;
}
.group-grid .entry-card span {
  display: flex;
  align-items: end;
  min-height: 42px;
  margin: 0;
  line-height: 1.35;
}
.group-grid .entry-card strong {
  display: flex;
  align-items: start;
  min-height: 52px;
  margin-top: 0;
  font-size: 23px;
  line-height: 1.28;
}
.group-grid .entry-card small {
  display: block;
  margin-top: 0;
  line-height: 1.72;
}
:root[data-theme="dark"] .group-grid .entry-card figure img {
  filter: invert(1) grayscale(1) contrast(1.1);
}

/* Technical group selection colors mirror the organization diagram. */
.group-grid .entry-card:nth-child(1) {
  --group-tone: #c59a4b;
}

.group-grid .entry-card:nth-child(2) {
  --group-tone: #6e9dca;
}

.group-grid .entry-card:nth-child(3) {
  --group-tone: #8976b2;
}

.group-grid .entry-card:nth-child(4) {
  --group-tone: #62a66f;
}

.group-grid .entry-card:nth-child(5) {
  --group-tone: #bd6f84;
}

.group-grid .entry-card:hover,
.group-grid .entry-card:focus-visible,
.group-grid .entry-card:active,
.group-grid .entry-card.is-active {
  border-color: var(--group-tone);
  background: color-mix(in srgb, var(--card-bg) 91%, var(--group-tone));
  box-shadow: 0 14px 34px color-mix(in srgb, transparent 82%, var(--group-tone));
}

.group-grid .entry-card:hover figure,
.group-grid .entry-card:focus-visible figure,
.group-grid .entry-card:active figure,
.group-grid .entry-card.is-active figure {
  background: color-mix(in srgb, var(--surface) 91%, var(--group-tone));
}

.group-grid .entry-card:focus-visible {
  outline: 2px solid var(--group-tone);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .group-grid .entry-card {
    grid-template-rows: 160px 38px 48px auto;
    min-height: 400px;
  }
  .group-grid .entry-card figure {
    height: 160px;
  }
  .group-grid .entry-card figure img {
    width: 132px;
    height: 132px;
  }
}
@media (max-width: 860px) {
  .group-grid .entry-card {
    grid-template-rows: 148px auto auto auto;
    min-height: auto;
  }
  .group-grid .entry-card figure {
    height: 148px;
  }
}

/* Compact method list with image slots */
.method-list {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.method-list article {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) minmax(220px, 300px);
  gap: 28px;
  align-items: center;
  min-height: 168px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.method-list article:first-child {
  border-top: 0;
}
.method-list span {
  color: var(--accent);
  font-size: 22px;
  line-height: 1.1;
  font-weight: 500;
}
.method-list h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.28;
  font-weight: 500;
}
.method-list p {
  max-width: 780px;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
}
.method-media {
  align-self: stretch;
  min-height: 124px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.method-media span {
  color: var(--subtle);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.method-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 980px) {
  .method-list article {
    grid-template-columns: 54px minmax(0, 1fr);
  }
  .method-media {
    grid-column: 2;
    min-height: 150px;
  }
}
@media (max-width: 680px) {
  .method-list article {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 22px 0;
  }
  .method-list h2 {
    font-size: 22px;
  }
  .method-media {
    grid-column: auto;
  }
}

/* Smaller method typography refinement */
.method-list article {
  min-height: 150px;
  padding: 18px 0;
}
.method-list span {
  font-size: 19px;
}
.method-list h2 {
  font-size: clamp(19px, 1.55vw, 24px);
  line-height: 1.32;
}
.method-list p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.65;
}
.method-media {
  min-height: 110px;
}
@media (max-width: 680px) {
  .method-list h2 {
    font-size: 20px;
  }
}

/* Match mechanical subsite dropdown menu typography */
.nav-dropdown a {
  font-size: 14px;
  line-height: 1.4;
}

/* Home quote and acknowledgements reused from the mechanical group site */
.home-quote {
  position: relative;
  height: 136px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0 108px 33px 128px;
  text-align: initial;
}

.quote-stage {
  min-width: 0;
  min-height: 102px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 360ms ease, transform 360ms ease;
}

.quote-stage.is-switching {
  opacity: 0;
  transform: translateY(4px);
}

.quote-stage p {
  color: var(--text);
  font-size: 24px;
  font-style: italic;
  line-height: 1.55;
  letter-spacing: 0;
  text-wrap: balance;
}

.quote-stage span {
  display: block;
  margin-top: 2px;
  color: var(--subtle);
  font-size: 14px;
}

.quote-random-button {
  transform: translateX(20px);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card-bg);
  color: var(--accent);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.quote-random-button:hover,
.quote-random-button:focus-visible {
  border-color: var(--accent);
  transform: translateX(20px) rotate(18deg);
}

.quote-random-button svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.acknowledgements {
  padding-bottom: 76px;
}

.thanks-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.thanks-card {
  min-height: 136px;
  display: grid;
  grid-template-rows: 66px auto;
  align-items: center;
  justify-items: center;
  gap: 10px;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  background: var(--card-bg);
  text-align: center;
  transition: border-color 160ms ease, transform 160ms ease;
}

.thanks-card:hover,
.thanks-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.thanks-logo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 66px;
}

.thanks-card img {
  width: auto;
  max-width: 88%;
  max-height: 58px;
  object-fit: contain;
  object-position: center;
}

.thanks-card strong {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
  color: inherit;
  line-height: 1.45;
}

.logo-cqu img {
  max-width: 80%;
  max-height: 54px;
}

.logo-sxic img {
  max-width: 92%;
  max-height: 42px;
}

.logo-pivot img {
  max-height: 69px;
}

.logo-rm img {
  max-height: 30px;
  filter: invert(1);
}

:root[data-theme="dark"] .logo-sxic img,
:root[data-theme="dark"] .logo-pivot img {
  filter: invert(1) brightness(1.08);
}

:root[data-theme="dark"] .logo-rm img {
  filter: none;
}

@media (max-width: 860px) {
  .home-quote {
    min-height: 82px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    padding: 2px 0 38px;
  }

  .quote-stage {
    text-align: left;
  }

  .quote-stage p {
    font-size: 19px;
  }

  .quote-random-button {
    transform: none;
    width: 34px;
    height: 34px;
  }

  .quote-random-button:hover,
  .quote-random-button:focus-visible {
    transform: rotate(18deg);
  }

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

  .thanks-card {
    min-height: 124px;
    padding: 14px 12px 12px;
  }

  .thanks-card strong {
    font-size: 14px;
  }
}

@media (max-width: 420px) {
  .thanks-grid {
    grid-template-columns: 1fr;
  }
}

/* Keep two-word group labels intentionally split into two lines */
.group-grid .entry-card span {
  display: block;
  min-height: 42px;
  line-height: 1.25;
  white-space: normal;
}

/* Archive video carousel and message wall */
.video-feature {
  border-top: 0;
  padding-top: 0;
}

.video-carousel {
  display: grid;
  grid-template-columns: minmax(620px, 1fr) minmax(300px, 380px);
  gap: 28px;
  align-items: stretch;
}

.video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.video-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  height: 100%;
  min-height: 320px;
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 28px;
  color: var(--muted);
  text-align: center;
}

.video-placeholder strong,
.video-placeholder span {
  display: block;
}

.video-copy {
  border: 1px solid var(--line);
  background: var(--card-bg);
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-subtitle {
  margin: 14px 0 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

.video-copy h3 {
  margin: 4px 0 14px;
  font-size: clamp(26px, 2vw, 34px);
  line-height: 1.2;
  font-weight: 500;
}

.video-copy > p:not(.page-label):not(.video-subtitle) {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.62;
}

.video-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.video-actions button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--accent);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.video-actions button:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.45;
}

.video-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 26px;
}

.video-list button {
  min-height: 126px;
  padding: 21px 28px;
  border: 1px solid var(--line);
  background: var(--card-bg);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.video-list button:hover,
.video-list button:focus-visible,
.video-list button.is-active {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.video-list button.is-active {
  background: var(--surface);
}

.video-list span {
  display: block;
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: none;
}

.video-list strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 500;
}

.video-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

@media (max-width: 1120px) {
  .video-carousel {
    grid-template-columns: 1fr;
  }
  .video-copy {
    min-height: 300px;
  }
}

@media (max-width: 760px) {
  .video-list {
    grid-template-columns: 1fr;
  }
}

/* Desktop technical cards reveal their summary as a fixed-stage transition. */
@media (hover: hover) and (min-width: 861px) {
  .group-grid .entry-card {
    position: relative;
    display: block;
    min-height: 312px;
    overflow: hidden;
  }

  .group-grid .entry-card figure {
    position: absolute;
    top: 20px;
    left: 22px;
    width: calc(100% - 44px);
    height: 170px;
    margin: 0;
    transition:
      top 280ms ease,
      left 280ms ease,
      width 280ms ease,
      height 280ms ease,
      background-color 220ms ease;
  }

  .group-grid .entry-card figure img {
    width: 132px;
    height: 132px;
    transition:
      width 280ms ease,
      height 280ms ease;
  }

  .group-grid .entry-card span,
  .group-grid .entry-card strong,
  .group-grid .entry-card small {
    position: absolute;
    right: 22px;
    left: 22px;
    margin: 0;
  }

  .group-grid .entry-card span {
    top: 196px;
    min-height: 42px;
    transition:
      top 280ms ease,
      right 280ms ease;
  }

  .group-grid .entry-card strong {
    top: 236px;
    min-height: 52px;
    transition:
      top 280ms ease,
      font-size 280ms ease;
  }

  .group-grid .entry-card:nth-child(5) strong {
    top: 218px;
  }

  .group-grid .entry-card small {
    top: 112px;
    opacity: 0;
    transform: translateY(56px);
    pointer-events: none;
    transition:
      opacity 180ms ease,
      transform 300ms ease;
  }

  .group-grid .entry-card:is(:hover, :focus-visible, :active, .is-active) figure {
    top: 26px;
    left: calc(100% - 84px);
    width: 62px;
    height: 62px;
  }

  .group-grid .entry-card:is(:hover, :focus-visible, :active, .is-active) figure img {
    width: 46px;
    height: 46px;
  }

  .group-grid .entry-card:is(:hover, :focus-visible, :active, .is-active) span {
    top: 30px;
    right: 94px;
  }

  .group-grid .entry-card:is(:hover, :focus-visible, :active, .is-active) strong {
    top: 70px;
    min-height: 34px;
    font-size: 20px;
  }

  .group-grid .entry-card:nth-child(5):is(:hover, :focus-visible, :active, .is-active) strong {
    top: 54px;
  }

  .group-grid .entry-card:is(:hover, :focus-visible, :active, .is-active) small {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 70ms;
  }
}

@media (hover: hover) and (min-width: 861px) and (max-width: 1100px) {
  .group-grid .entry-card {
    min-height: 312px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .group-grid .entry-card,
  .group-grid .entry-card figure,
  .group-grid .entry-card figure img,
  .group-grid .entry-card span,
  .group-grid .entry-card strong,
  .group-grid .entry-card small {
    transition: none;
  }
}
/* Compact subpage heroes and avoid duplicate divider lines */
.page-hero {
  margin-top: 46px;
  gap: 36px;
  padding-bottom: 24px;
}

.page-hero h1 {
  font-size: clamp(34px, 3.65vw, 56px);
  line-height: 1.12;
}

.page-hero > p {
  font-size: 15px;
  line-height: 1.62;
}

.page-hero + .section-block {
  margin-top: 54px;
}

.video-feature {
  border-top: 0;
  padding-top: 0;
}

@media (max-width: 860px) {
  .page-hero {
    margin-top: 34px;
    padding-bottom: 22px;
  }

  .page-hero h1 {
    font-size: clamp(32px, 9vw, 44px);
  }

  .page-hero + .section-block {
    margin-top: 38px;
  }
}

/* Group logos in the technical-groups dropdown. */
.nav-dropdown a[href="group-mechanical.html"],
.nav-dropdown a[href="group-control.html"],
.nav-dropdown a[href="group-vision.html"],
.nav-dropdown a[href="group-hardware.html"],
.nav-dropdown a[href="group-operations.html"] {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  transition:
    color 160ms ease,
    background-color 160ms ease;
}

.nav-dropdown a[href="group-mechanical.html"] {
  --nav-group-tone: #c59a4b;
}

.nav-dropdown a[href="group-control.html"] {
  --nav-group-tone: #6e9dca;
}

.nav-dropdown a[href="group-vision.html"] {
  --nav-group-tone: #8976b2;
}

.nav-dropdown a[href="group-hardware.html"] {
  --nav-group-tone: #62a66f;
}

.nav-dropdown a[href="group-operations.html"] {
  --nav-group-tone: #bd6f84;
}

.nav-dropdown a[href="group-mechanical.html"]::after,
.nav-dropdown a[href="group-control.html"]::after,
.nav-dropdown a[href="group-vision.html"]::after,
.nav-dropdown a[href="group-hardware.html"]::after,
.nav-dropdown a[href="group-operations.html"]::after {
  content: "";
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 25px 25px;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.nav-dropdown a[href="group-mechanical.html"]::after {
  background-image: url("assets/brand/group-icons/mechanical.png");
}

.nav-dropdown a[href="group-control.html"]::after {
  background-image: url("assets/brand/group-icons/control.png");
}

.nav-dropdown a[href="group-vision.html"]::after {
  background-image: url("assets/brand/group-icons/vision.png");
}

.nav-dropdown a[href="group-hardware.html"]::after {
  background-image: url("assets/brand/group-icons/hardware.png");
}

.nav-dropdown a[href="group-operations.html"]::after {
  background-image: url("assets/brand/group-icons/operations.png");
}

.nav-dropdown a[href^="group-"]:hover::after,
.nav-dropdown a[href^="group-"]:focus-visible::after {
  border-color: var(--nav-group-tone);
  background-color: color-mix(in srgb, #fff 90%, var(--nav-group-tone));
  transform: translateX(-1px);
}

/* Brand wordmark and shared dropdown icon system. */
.brand-text small {
  font-family:
    "DIN 1451 Fette Breitschrift 1936",
    "Arial Black",
    sans-serif;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.home-wordmark {
  font-family:
    "DIN 1451 Fette Breitschrift 1936",
    "Arial Black",
    sans-serif;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.nav-dropdown {
  gap: 4px;
  padding: 12px;
}

.nav-dropdown a.nav-item-with-icon {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 4px 8px;
  transition:
    color 160ms ease,
    background-color 160ms ease;
}

.nav-dropdown a.nav-item-with-icon::after {
  content: none;
}

.nav-item-label {
  min-width: 0;
}

.nav-item-logo,
.nav-item-mdi {
  position: relative;
  display: grid;
  grid-column: 2;
  grid-row: 1;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
}

.nav-item-logo img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: brightness(0) saturate(100%);
}

.nav-item-mdi {
  font-size: 20px;
  font-style: normal;
  line-height: 1;
}

:root[data-theme="dark"] .nav-item-logo,
:root[data-theme="dark"] .nav-item-mdi {
  background: transparent;
  color: var(--text);
}

:root[data-theme="dark"] .nav-item-logo img {
  filter: brightness(0) saturate(100%) invert(1);
}

@media (max-width: 860px) {
  .nav-dropdown {
    gap: 3px;
    padding: 10px;
  }
}