:root {
  color-scheme: light;
  --ink: #15242c;
  --muted: #53646d;
  --line: #d5dee2;
  --panel: #ffffff;
  --band: #f2f6f6;
  --accent: #e9b319;
  --accent-dark: #7d5c08;
  --blue: #155f79;
  --green: #1f7556;
  --dark: #0f1a21;
  --danger: #a93831;
  --radius: 6px;
  --shadow: 0 18px 46px rgba(15, 26, 33, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.68;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

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

a[href^="tel:"] {
  font-variant-numeric: tabular-nums;
}

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

.site-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 3px 14px rgba(15, 26, 33, 0.04);
  backdrop-filter: blur(16px);
}

.topbar-inner {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(340px, 1fr) auto auto;
  align-items: center;
  gap: 22px;
}

.brand-lockup {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: var(--dark);
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: 0;
}

.brand-name-compact {
  display: none;
}

.brand-copy > span {
  font-size: 13px;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: #31434c;
}

.nav a {
  min-height: 72px;
  display: inline-flex;
  align-items: center;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  font-weight: 700;
}

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

.nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
  color: var(--blue);
}

.phone-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 7px 15px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #111;
  line-height: 1.2;
  box-shadow: 0 8px 20px rgba(233, 179, 25, 0.2);
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.phone-link small {
  font-size: 10px;
  font-weight: 700;
}

.phone-link strong {
  margin-top: 2px;
  font-size: 16px;
}

.phone-link:hover {
  background: #f4c231;
  box-shadow: 0 10px 24px rgba(233, 179, 25, 0.26);
  transform: translateY(-1px);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(15, 26, 33, 0.96) 0%, rgba(15, 26, 33, 0.82) 42%, rgba(15, 26, 33, 0.22) 74%, rgba(15, 26, 33, 0.08) 100%),
    var(--hero-image);
  background-size: cover;
  background-position: center center;
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 68px 0 78px;
  color: #ffffff;
}

.home-hero {
  min-height: 630px;
}

.detail-hero {
  min-height: 520px;
}

.short-hero {
  min-height: 460px;
}

.library-hero {
  min-height: 430px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #f5ce59;
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  max-width: 800px;
  font-size: 60px;
  font-weight: 900;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.lead {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: 19px;
  color: rgba(255, 255, 255, 0.9);
  text-wrap: pretty;
}

.hero-company {
  margin: 14px 0 0;
  color: #f5ce59;
  font-size: 17px;
  font-weight: 800;
}

.hero-scope {
  max-width: 760px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 19px;
  padding: 11px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  color: rgba(255, 255, 255, 0.86);
}

.hero-scope span {
  padding: 0 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
}

.hero-scope-state {
  --scope-state: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-scope-state::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 1px;
  background: var(--scope-state);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--scope-state) 22%, transparent);
}

.scope-limited {
  --scope-state: var(--accent);
}

.scope-excluded {
  --scope-state: var(--danger);
}

.hero-scope span:first-child {
  padding-left: 0;
}

.hero-scope span:last-child {
  border-right: 0;
}

.detail-hero h1 {
  max-width: 920px;
  font-size: 52px;
}

.detail-title {
  display: grid;
  gap: 11px;
}

.detail-title-main {
  font-size: 0.86em;
  line-height: 1.08;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.detail-title-purpose {
  display: block;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.58em;
  line-height: 1.22;
  font-weight: 800;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.detail-lead {
  max-width: 760px;
  font-size: 17px;
}

.fault-title {
  display: grid;
  gap: 5px;
}

.fault-code-heading {
  color: #f5ce59;
  font-size: 0.7em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.fault-title .detail-title-purpose {
  font-size: 0.72em;
  line-height: 1.16;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: #ffffff;
}

.hero-boundary {
  width: fit-content;
  max-width: 760px;
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.home-hero .hero-actions .button {
  min-height: 62px;
  align-items: flex-start;
  flex-direction: column;
  padding-top: 10px;
  padding-bottom: 10px;
  text-align: left;
  white-space: normal;
}

.hero-action-kicker,
.hero-action-value {
  display: block;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-action-kicker {
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 800;
}

.button.primary .hero-action-kicker {
  color: rgba(17, 17, 17, 0.7);
}

.hero-action-value {
  margin-top: 4px;
  color: inherit;
  font-size: 15px;
  font-weight: 900;
}

.detail-action {
  position: relative;
  padding-left: 34px;
}

.detail-action::before {
  content: "";
  position: absolute;
  left: 17px;
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  border-radius: 1px;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
  opacity: 0.92;
}

.detail-action-repair,
.detail-action-intake {
  border-color: rgba(109, 181, 207, 0.78) !important;
  background: rgba(21, 95, 121, 0.34) !important;
}

.detail-action-procurement {
  border-color: rgba(113, 186, 151, 0.78) !important;
  background: rgba(31, 117, 86, 0.32) !important;
}

.detail-action-model {
  border-color: rgba(255, 255, 255, 0.52) !important;
  background: rgba(255, 255, 255, 0.1) !important;
}

.detail-action:hover,
.detail-action:focus-visible {
  background: rgba(255, 255, 255, 0.2) !important;
}

.hero-action-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.hero-action-note strong {
  color: #f5ce59;
}

.hero-action-note span {
  padding-left: 12px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button.primary {
  background: var(--accent);
  color: #111;
  box-shadow: 0 8px 20px rgba(233, 179, 25, 0.18);
}

.hero-phone-primary,
.detail-phone-primary {
  min-width: 238px;
}

.hero-wechat-copy {
  min-width: 214px;
}

.hero-wechat-copy:disabled,
[data-copy-contact]:disabled {
  cursor: wait;
  opacity: 0.86;
}

.button.primary:hover,
.lookup-model:hover {
  background: #f4c231;
  box-shadow: 0 10px 24px rgba(233, 179, 25, 0.24);
  transform: translateY(-1px);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.44);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.button:active,
.phone-link:active {
  box-shadow: none;
  transform: translateY(0);
}

.button:focus-visible,
.phone-link:focus-visible,
.text-link:focus-visible,
.mobile-nav summary:focus-visible {
  outline: 3px solid rgba(31, 117, 86, 0.3);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.hero-lookup {
  max-width: 770px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-lookup label {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  font-weight: 800;
}

.hero-lookup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 8px;
}

.hero-lookup-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.hero-library-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 1px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.16);
  font-size: 10px;
  line-height: 1.25;
}

.hero-proof-item {
  min-height: 31px;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 6px 9px;
  background: rgba(15, 26, 33, 0.56);
  white-space: nowrap;
}

.hero-proof-item b {
  color: #f5ce59;
  font-size: 13px;
  line-height: 1;
}

.hero-proof-item small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 700;
}

.hero-proof-sources b {
  color: #ffffff;
  font-size: 10px;
}

.hero-lookup-row {
  display: grid;
  grid-template-columns: minmax(250px, 1fr) auto auto;
  gap: 8px;
}

.hero-lookup input {
  min-width: 0;
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  font: inherit;
}

.hero-lookup input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(233, 179, 25, 0.22);
}

.hero-lookup .button {
  min-height: 48px;
  padding-inline: 15px;
}

.hero-query-examples {
  min-width: 0;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.hero-query-examples::-webkit-scrollbar {
  display: none;
}

.hero-query-examples span,
.hero-query-examples a {
  flex: 0 0 auto;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  line-height: 1;
}

.hero-query-examples span {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 800;
}

.hero-query-examples a {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 3px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(15, 26, 33, 0.28);
  font-weight: 800;
}

.hero-query-examples a:hover,
.hero-query-examples a:focus-visible {
  border-color: var(--accent);
  color: #ffffff;
  background: rgba(233, 179, 25, 0.16);
  outline: none;
}

.lookup-model {
  border-color: var(--accent);
  background: var(--accent);
  color: #111;
}

.lookup-fault {
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.lookup-fault:hover {
  background: rgba(255, 255, 255, 0.16);
}

.button.outline {
  color: var(--ink);
  border-color: #9aabb4;
  background: transparent;
}

.button.outline:hover {
  border-color: var(--ink);
  background: #ffffff;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(1180px, calc(100% - 40px));
  margin: -34px auto 0;
  position: relative;
  z-index: 5;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.fact {
  background: var(--panel);
  min-height: 108px;
  padding: 20px 22px;
  display: grid;
  align-content: center;
}

.fact b {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 6px;
}

.fact span {
  display: block;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.fact small {
  display: block;
  margin-top: 5px;
  color: #66777f;
  font-size: 12px;
  line-height: 1.4;
}

.fact-action {
  --fact-accent: var(--blue);
  position: relative;
  border-top: 3px solid transparent;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.fact-action::after {
  content: ">";
  position: absolute;
  top: 18px;
  right: 18px;
  color: #7d8c92;
  font-weight: 900;
}

.fact-action:hover,
.fact-action:focus-visible {
  border-top-color: var(--fact-accent);
  background: #f4f8f8;
}

.fact-action:focus-visible {
  outline: 3px solid rgba(31, 117, 86, 0.25);
  outline-offset: 2px;
}

.fact-urgent {
  --fact-accent: var(--danger);
  border-top-color: var(--danger);
}

.fact-urgent span {
  color: #8c302b;
}

.fact-repair {
  --fact-accent: var(--blue);
  border-top-color: var(--blue);
}

.fact-parts {
  --fact-accent: var(--green);
  border-top-color: var(--green);
}

.fact-service {
  --fact-accent: var(--accent-dark);
  border-top-color: var(--accent);
  background: #f7faf9;
}

.home-intake-guide {
  padding: 68px 0;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.intake-guide-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.55fr);
  gap: 54px;
  align-items: center;
}

.intake-guide-intro h2 {
  max-width: 440px;
  font-size: 36px;
}

.intake-guide-intro > p:not(.section-kicker) {
  max-width: 470px;
  margin: 14px 0 0;
  color: var(--muted);
}

.intake-guide-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 24px;
}

.intake-guide-action {
  min-width: 204px;
}

.intake-guide-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.intake-guide-step {
  --step-color: var(--blue);
  min-width: 0;
  min-height: 214px;
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: start;
  gap: 18px;
  padding: 24px 22px;
  border-left: 1px solid var(--line);
  box-shadow: inset 0 4px 0 var(--step-color);
}

.intake-guide-step:last-child {
  border-right: 1px solid var(--line);
}

.intake-guide-step > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--step-color);
  border-radius: 50%;
  color: var(--step-color);
  font-size: 12px;
  font-weight: 900;
}

.intake-guide-step strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
}

.intake-guide-step p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.intake-guide-step-fault {
  --step-color: var(--green);
}

.intake-guide-step-context {
  --step-color: var(--accent-dark);
}

.detail-facts {
  margin-top: -28px;
}

.detail-facts .fact {
  min-height: 102px;
}

.detail-section-nav {
  --read-progress: 0%;
  position: sticky;
  top: 72px;
  z-index: 35;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 18px rgba(15, 26, 33, 0.06);
  backdrop-filter: blur(12px);
}

.detail-section-nav::after {
  content: "";
  position: absolute;
  right: auto;
  bottom: -1px;
  left: 0;
  width: var(--read-progress);
  height: 3px;
  background: var(--accent);
  pointer-events: none;
  transition: width 100ms linear;
}

.detail-section-nav-inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 54px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.detail-section-nav-inner::-webkit-scrollbar {
  display: none;
}

.detail-section-nav-label,
.detail-section-nav a {
  min-height: 54px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 10px 14px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 800;
}

.detail-section-nav-label {
  padding-left: 0;
  color: #728087;
}

.detail-section-nav a {
  border-bottom: 3px solid transparent;
  color: #263b45;
}

.detail-section-nav a:hover,
.detail-section-nav a:focus-visible,
.detail-section-nav a[aria-current="location"] {
  border-bottom-color: var(--accent);
  color: var(--blue);
  background: #eef5f7;
  outline: none;
}

.detail-fact-evidence {
  --fact-accent: var(--green);
  border-top-color: var(--green);
}

.detail-fact-intake {
  --fact-accent: var(--blue);
  border-top-color: var(--blue);
}

.detail-fact-pickup {
  --fact-accent: var(--danger);
  border-top-color: var(--danger);
}

.detail-fact-mail {
  --fact-accent: var(--accent-dark);
  border-top-color: var(--accent);
}

.band {
  padding: 72px 0;
}

section[id] {
  scroll-margin-top: 88px;
}

.band.alt {
  background: var(--band);
}

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 38px;
}

.section-head p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.section-kicker {
  margin: 0 0 7px !important;
  color: var(--blue) !important;
  font-size: 12px;
  font-weight: 900;
}

.equipment-entry-band {
  padding: 68px 0 62px;
  border-bottom: 1px solid var(--line);
  background: #eef3f4;
}

.equipment-entry-head h2 {
  font-size: 36px;
}

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

.equipment-entry {
  --equipment-accent: var(--blue);
  min-width: 0;
  min-height: 176px;
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid #cbd6da;
  border-top: 4px solid var(--equipment-accent);
  border-radius: var(--radius);
  background: #ffffff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.equipment-entry:nth-child(4n + 2) {
  --equipment-accent: var(--green);
}

.equipment-entry:nth-child(4n + 3) {
  --equipment-accent: var(--accent-dark);
}

.equipment-entry:nth-child(4n + 4) {
  --equipment-accent: var(--danger);
}

.equipment-entry:hover {
  border-color: #98aab1;
  box-shadow: 0 12px 26px rgba(15, 26, 33, 0.08);
  transform: translateY(-2px);
}

.equipment-entry-code {
  width: fit-content;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, var(--equipment-accent) 42%, #ffffff);
  border-radius: 3px;
  color: var(--equipment-accent);
  background: color-mix(in srgb, var(--equipment-accent) 8%, #ffffff);
  font-size: 11px;
  font-weight: 900;
}

.equipment-entry-copy {
  margin-top: 14px;
}

.equipment-entry-copy h3 {
  font-size: 20px;
}

.equipment-entry-copy p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.equipment-entry-actions {
  display: flex;
  gap: 18px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.equipment-entry-actions a {
  color: #173f51;
  font-size: 13px;
  font-weight: 900;
}

.equipment-entry-actions a::after {
  content: " >";
  color: var(--equipment-accent);
}

.equipment-entry-actions a:hover,
.equipment-entry-actions a:focus-visible {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.home-featured-grid .card,
.service-card {
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.home-featured-grid .card:hover,
.service-card:hover {
  border-color: #9bacb3;
  box-shadow: 0 14px 28px rgba(15, 26, 33, 0.08);
  transform: translateY(-2px);
}

.card h2,
.card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.card p,
.card li {
  color: var(--muted);
}

.service-card {
  --service-accent: var(--ink);
  position: relative;
  display: flex;
  min-height: 286px;
  flex-direction: column;
  padding-top: 56px;
  border-top: 4px solid var(--service-accent);
}

.service-index {
  position: absolute;
  top: 18px;
  left: 24px;
  color: var(--service-accent);
  font-size: 13px;
  font-weight: 900;
}

.service-card-industrial-repair {
  --service-accent: var(--blue);
}

.service-card-spare-parts-procurement {
  --service-accent: var(--green);
}

.service-card-urgent-downtime-repair {
  --service-accent: var(--danger);
}

.service-card p {
  margin-bottom: 22px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--accent);
  color: #173f51;
  font-size: 14px;
  font-weight: 900;
}

.text-link::after {
  content: " >";
  margin-left: 6px;
}

.text-link:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.card ul,
.plain-list {
  padding-left: 20px;
  margin: 14px 0 0;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.problem-list li {
  border-left: 4px solid var(--accent);
  background: #ffffff;
  padding: 12px 14px;
  color: #293741;
  font-weight: 700;
}

.evidence-band {
  padding: 52px 0;
  background: #132129;
  color: #ffffff;
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.55fr);
  gap: 48px;
  align-items: center;
}

.evidence-intro h2 {
  max-width: 520px;
  font-size: 34px;
}

.evidence-intro-copy {
  max-width: 520px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.evidence-visual {
  max-width: 520px;
  margin: 22px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: #0c171d;
}

.evidence-visual img {
  width: 100%;
  height: 162px;
  object-fit: cover;
  object-position: right center;
}

.evidence-visual figcaption {
  padding: 9px 11px 10px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
  line-height: 1.45;
}

.evidence-kicker,
.conversion-kicker {
  margin: 0 0 8px;
  color: #f5ce59;
  font-size: 12px;
  font-weight: 900;
}

.evidence-levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.evidence-level {
  min-width: 0;
  min-height: 150px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  transition: background-color 160ms ease;
}

.evidence-level:last-child {
  border-right: 0;
}

.evidence-level:hover,
.evidence-level:focus-visible {
  background: rgba(255, 255, 255, 0.07);
}

.evidence-level:focus-visible {
  outline: 3px solid rgba(245, 206, 89, 0.5);
  outline-offset: 3px;
}

.evidence-level span {
  color: #f5ce59;
  font-size: 12px;
  font-weight: 900;
}

.evidence-level strong {
  overflow-wrap: anywhere;
  font-size: 18px;
}

.evidence-level small {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.5;
}

.evidence-level-case {
  box-shadow: inset 0 3px 0 var(--green);
}

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

.brand-tile {
  min-height: 104px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: #ffffff;
}

.brand-tile strong {
  font-size: 20px;
}

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

.brand-tile:hover {
  border-color: #93a6ae;
  background: #f8faf9;
}

.brand-more {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.brand-more summary {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid #9aabb4;
  border-radius: var(--radius);
  color: #173f51;
  background: #ffffff;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  list-style-position: inside;
}

.brand-more[open] summary {
  border-color: var(--blue);
  color: var(--blue);
  background: #eef5f7;
}

.brand-more .brand-grid {
  margin-top: 18px;
}

.conversion-band {
  padding: 46px 0;
  border-top: 4px solid var(--accent);
  background: #0f1a21;
  color: #ffffff;
}

.conversion-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 44px;
  align-items: center;
}

.conversion-inner h2 {
  max-width: 720px;
  font-size: 32px;
}

.conversion-inner p:last-child {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.conversion-actions {
  min-width: 280px;
  display: grid;
  gap: 10px;
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 42px;
  align-items: start;
}

.service-layout > * {
  min-width: 0;
  overflow-wrap: anywhere;
}

.contact-box {
  position: sticky;
  top: 92px;
  background: var(--dark);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 26px;
  border-top: 5px solid var(--accent);
  box-shadow: 0 18px 42px rgba(15, 26, 33, 0.16);
}

.knowledge-detail .contact-box {
  top: 146px;
  max-height: none;
  overflow: visible;
}

.knowledge-detail .contact-rows {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.knowledge-detail .contact-rows div:first-child,
.knowledge-detail .contact-rows div:last-child {
  display: none;
}

.contact-person {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-person-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: #ffffff;
  color: var(--dark);
  font-size: 13px;
  font-weight: 900;
}

.contact-person-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.contact-person-copy strong {
  color: #ffffff;
  font-size: 17px;
}

.contact-person-copy small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.contact-box h2 {
  font-size: 26px;
}

.contact-kicker {
  margin: 0 0 8px;
  color: #f5ce59 !important;
  font-size: 12px;
  font-weight: 900;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-route-note {
  display: grid;
  gap: 2px;
  margin: 16px 0 0 !important;
  padding: 11px 13px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.07);
  font-size: 12px;
}

.contact-route-note strong {
  color: #f5ce59;
}

.contact-route-note span {
  color: rgba(255, 255, 255, 0.72);
}

.contact-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 18px 0 2px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.18);
}

.contact-status-grid span {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 3px;
  min-height: 76px;
  padding: 11px 12px;
  background: #162832;
}

.contact-status-grid b {
  color: #f5ce59;
  font-size: 13px;
}

.contact-status-grid small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  line-height: 1.45;
}

.contact-box .big-phone {
  display: block;
  margin: 16px 0 18px;
  font-size: 30px;
  line-height: 1.3;
  font-weight: 900;
  color: #f5ce59;
  word-break: break-word;
}

.contact-actions {
  display: grid;
  gap: 9px;
}

.contact-checklist {
  margin-top: 20px;
  padding: 17px 0 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
}

.contact-checklist b {
  color: #ffffff;
}

.contact-checklist ul {
  margin: 9px 0 0;
  padding-left: 19px;
  color: rgba(255, 255, 255, 0.76);
}

.contact-checklist li + li {
  margin-top: 5px;
}

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

.contact-copy {
  border-color: rgba(255, 255, 255, 0.34);
  background: transparent;
  color: #ffffff;
}

.contact-copy:hover {
  border-color: #f5ce59;
  color: #f5ce59;
}

.contact-rows {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  font-size: 15px;
}

.contact-rows div {
  display: grid;
  gap: 3px;
}

.contact-rows b {
  color: rgba(255, 255, 255, 0.64);
}

.notice {
  border-left: 4px solid var(--blue);
  background: #eef6fa;
  padding: 16px 18px;
  color: #284554;
  margin-top: 24px;
}

.split-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.compact-head {
  margin-bottom: 18px;
}

.compact-head h2 {
  font-size: 28px;
}

.evidence-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid #87ad9e;
  border-radius: 3px;
  color: #145940;
  background: #edf7f2;
  font-size: 12px;
  font-weight: 800;
}

.model-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.model-card .button,
.model-card .text-link,
.fault-card .text-link {
  margin-top: auto;
}

.model-type {
  color: #50636d;
  font-size: 13px;
  font-weight: 800;
  margin: 12px 0 5px;
}

.section-card {
  margin-bottom: 18px;
}

.answer-box {
  margin-bottom: 18px;
  padding: 26px 28px;
  border-left: 5px solid var(--accent);
  background: #f2f7f5;
}

.answer-box h2 {
  margin-top: 14px;
}

.knowledge-article {
  min-width: 0;
  counter-reset: knowledge-section;
}

.knowledge-article [id] {
  scroll-margin-top: 150px;
}

.knowledge-article .answer-box {
  margin-bottom: 8px;
}

.knowledge-article .section-card {
  counter-increment: knowledge-section;
  margin: 0;
  padding: 30px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.knowledge-article .section-card h2 {
  margin-bottom: 12px;
  font-size: 25px;
}

.knowledge-article .section-card h2::before {
  content: counter(knowledge-section, decimal-leading-zero);
  display: block;
  margin-bottom: 7px;
  color: #6c7c83;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.knowledge-article .plain-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.knowledge-article .plain-list li {
  color: #43555e;
}

.knowledge-article .stop-card {
  border-left: 4px solid var(--danger);
  padding-left: 20px;
}

.knowledge-article .stop-card h2 {
  color: #7c2722;
}

.knowledge-article .diagnostic-card,
.knowledge-article .safe-card,
.knowledge-article .procurement-card,
.knowledge-article .contact-prep-card,
.knowledge-article .source-card {
  padding-left: 20px;
  border-left: 4px solid var(--blue);
}

.knowledge-article .safe-card {
  border-left-color: var(--green);
}

.knowledge-article .safe-card h2 {
  color: #145940;
}

.knowledge-article .procurement-card,
.knowledge-article .contact-prep-card {
  border-left-color: var(--accent);
}

.knowledge-article .source-card {
  border-left-color: #7b8b92;
}

.source-link {
  color: #0d5d83;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.source-meta {
  margin-top: 8px;
  color: #63737b;
  font-size: 13px;
}

.source-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.source-list a {
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) 1fr;
  gap: 16px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.source-list span {
  color: #65747b;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: #ffffff;
}

.library-band {
  padding-top: 0;
}

.library-band .metrics-strip {
  position: relative;
  z-index: 4;
  transform: translateY(-34px);
  box-shadow: 0 14px 34px rgba(15, 26, 33, 0.1);
}

.library-band .metrics-strip + .notice {
  margin-top: -8px;
}

.metrics-strip div {
  display: grid;
  gap: 5px;
  min-height: 96px;
  align-content: center;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.metrics-strip div:last-child {
  border-right: 0;
}

.metrics-strip b {
  color: var(--dark);
  font-size: 26px;
}

.metrics-strip span {
  color: #5c6f78;
  font-size: 13px;
}

.model-search {
  display: grid;
  grid-template-columns: minmax(260px, 1.45fr) repeat(2, minmax(160px, 0.72fr)) auto;
  gap: 12px 18px;
  align-items: end;
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  background: #f3f7f8;
  scroll-margin-top: 92px;
}

.model-search label {
  color: var(--dark);
  font-weight: 800;
}

.library-filter-field {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.library-filter-field span {
  font-size: 13px;
}

.model-search input,
.model-search select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #9cabb1;
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

.model-search select {
  cursor: pointer;
}

.model-search input:focus,
.model-search select:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(13, 93, 131, 0.16);
}

.model-search p {
  margin: 0;
  color: #52666f;
  font-size: 13px;
  white-space: nowrap;
}

.library-filter-reset {
  min-height: 44px;
  white-space: nowrap;
}

.library-filter-reset:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.library-filter-status {
  grid-column: 1 / -1;
}

.search-empty {
  margin-top: 14px;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  border-left: 4px solid var(--accent);
  background: #fff8df;
}

.search-empty-kicker {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
}

.search-empty h2 {
  font-size: 22px;
}

.search-empty div > p:last-child {
  max-width: 760px;
  margin: 8px 0 0;
  color: #5e5847;
  font-size: 14px;
}

.search-empty-actions {
  min-width: 220px;
  display: grid;
  gap: 8px;
}

.library-group {
  margin-top: 48px;
}

.model-directory {
  border-top: 2px solid var(--dark);
}

.model-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 26px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.model-row h3 {
  margin: 0 0 8px;
}

.model-row p {
  margin-bottom: 0;
}

.model-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.model-actions .button {
  min-height: 38px;
  padding: 8px 12px;
  font-size: 13px;
}

.model-row:hover {
  background: #fafcfc;
}

.faq-list {
  display: grid;
  gap: 20px;
}

.faq-list section {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.faq-list section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.faq-list h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.tool-header {
  padding: 46px 0 28px;
  border-bottom: 1px solid var(--line);
  background: #eef5f3;
}

.tool-header .eyebrow {
  color: var(--accent-dark);
}

.tool-header h1 {
  max-width: 880px;
  font-size: 44px;
}

.tool-lead {
  max-width: 820px;
  margin: 16px 0 0;
  color: #40525b;
  font-size: 18px;
}

.tool-contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid #cbd8d4;
  color: #33464c;
}

.tool-contact-strip span {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-contact-strip b {
  color: #66777d;
  font-size: 13px;
}

.tool-contact-strip a {
  color: #0d5d83;
  font-weight: 800;
}

.intake-section {
  padding: 34px 0 78px;
}

.intake-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.intake-form,
.intake-output {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.intake-form {
  padding: 0 24px;
}

.form-section {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.form-section-head {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
}

.form-section-head > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid #91a3aa;
  border-radius: 50%;
  color: #334a55;
  font-size: 12px;
  font-weight: 800;
}

.form-section-head h2 {
  font-size: 21px;
}

.form-section-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.segmented label {
  position: relative;
  min-width: 0;
}

.segmented input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented span {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
  border: 1px solid #9caab0;
  border-radius: 6px;
  background: #ffffff;
  color: #32434b;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
}

.segmented input:checked + span {
  border-color: var(--green);
  background: #e7f4ee;
  color: #145940;
  box-shadow: inset 0 0 0 1px var(--green);
}

.segmented input:focus-visible + span {
  outline: 3px solid rgba(31, 95, 130, 0.22);
  outline-offset: 2px;
}

.segmented.compact span {
  min-height: 42px;
  font-size: 13px;
}

.form-grid {
  display: grid;
  gap: 16px;
}

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

.form-grid + .form-grid {
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
  color: #30424a;
  font-size: 14px;
  font-weight: 800;
}

.field-wide {
  grid-column: 1 / -1;
}

.field input,
.field select,
.field textarea,
.intake-output textarea {
  width: 100%;
  border: 1px solid #9cabb1;
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

.field input,
.field select {
  min-height: 46px;
  padding: 10px 12px;
}

.field textarea,
.intake-output textarea {
  padding: 12px;
  line-height: 1.6;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.intake-output textarea:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(31, 95, 130, 0.16);
}

.binary-fieldset {
  margin: 18px 0 0;
  padding: 0;
  border: 0;
}

.binary-fieldset legend {
  margin-bottom: 8px;
  color: #30424a;
  font-size: 14px;
  font-weight: 800;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 16px;
}

.check-grid label {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  color: #35474f;
  font-size: 14px;
  cursor: pointer;
}

.check-grid input {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}

.form-submit-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0 26px;
}

.form-submit-row p {
  margin: 0;
  color: #64737a;
  font-size: 13px;
}

.intake-output {
  position: sticky;
  top: 84px;
  padding: 24px;
  scroll-margin-top: 82px;
}

.output-kicker {
  margin: 0 0 5px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.output-heading h2 {
  font-size: 25px;
}

.boundary-status {
  min-height: 58px;
  margin: 18px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--blue);
  background: #eef6fa;
  color: #284554;
  font-size: 14px;
}

.boundary-status.success {
  border-left-color: var(--green);
  background: #eaf5f0;
  color: #145940;
}

.boundary-status.error {
  border-left-color: #b93a32;
  background: #fff0ef;
  color: #7b211c;
}

.output-label {
  display: block;
  margin-bottom: 7px;
  color: #30424a;
  font-size: 14px;
  font-weight: 800;
}

.intake-output textarea {
  min-height: 330px;
  background: #fbfcfc;
  font-size: 14px;
}

.output-actions {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

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

.button:disabled,
.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.copy-status {
  min-height: 24px;
  margin: 10px 0 0;
  color: #145940;
  font-size: 13px;
}

.output-contact {
  display: grid;
  gap: 3px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #5d6d74;
  font-size: 13px;
}

.output-contact b {
  color: var(--ink);
}

.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.74);
  padding: 52px 0 96px;
  font-size: 14px;
}

.footer strong {
  color: #ffffff;
}

.footer a:hover {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr) minmax(250px, 0.8fr);
  gap: 44px;
}

.footer-grid b {
  color: #ffffff;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 7px;
}

.footer-brand strong {
  font-size: 20px;
}

.footer-brand a {
  width: fit-content;
  margin-top: 8px;
  color: #f5ce59;
  font-size: 24px;
  font-weight: 900;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 16px;
}

.footer-links b {
  grid-column: 1 / -1;
  margin-bottom: 4px;
}

.footer-note {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.mobile-contact {
  display: none;
}

@media (max-width: 1120px) {
  .topbar-inner {
    grid-template-columns: minmax(310px, 1fr) auto auto;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
    position: relative;
    order: 3;
  }

  .mobile-nav summary {
    width: 44px;
    min-width: 44px;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #9eabb1;
    border-radius: var(--radius);
    color: #263942;
    font-size: 13px;
    font-weight: 900;
    cursor: pointer;
    list-style: none;
  }

  .mobile-nav-icon {
    font-size: 21px;
    line-height: 1;
  }

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

  .mobile-nav[open] summary {
    border-color: var(--blue);
    background: #eef5f7;
    color: var(--blue);
  }

  .mobile-nav nav {
    position: absolute;
    top: calc(100% + 14px);
    right: 0;
    width: min(420px, calc(100vw - 32px));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    padding: 1px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--line);
    box-shadow: var(--shadow);
  }

  .mobile-nav nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 10px 13px;
    background: #ffffff;
    color: #2b3d46;
    font-size: 14px;
    font-weight: 800;
  }

  .mobile-nav nav a:hover {
    background: #f3f7f8;
    color: var(--blue);
  }

  .mobile-nav nav a[aria-current="page"] {
    box-shadow: inset 4px 0 0 var(--accent);
    background: #eef5f7;
    color: var(--blue);
  }
}

@media (max-width: 920px) {
  h1 {
    font-size: 48px;
  }

  .detail-hero h1 {
    font-size: 44px;
  }

  .home-hero {
    min-height: 640px;
  }

  .hero-wechat-copy {
    display: none;
  }

  .hero-facts,
  .grid,
  .brand-grid,
  .service-layout,
  .problem-list {
    grid-template-columns: 1fr;
  }

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

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

  .intake-layout {
    grid-template-columns: 1fr;
  }

  .intake-output {
    position: static;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 12px;
  }

  .contact-box {
    position: static;
    max-height: none;
    overflow: visible;
  }

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

  .model-row {
    grid-template-columns: 1fr;
  }

  .model-search {
    grid-template-columns: 1fr;
  }

  .model-search p {
    white-space: normal;
  }

  .model-actions {
    justify-content: flex-start;
  }

  .metrics-strip div {
    min-height: 76px;
    border-bottom: 1px solid var(--line);
  }

  .metrics-strip div:nth-child(2n) {
    border-right: 0;
  }

  .metrics-strip div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .footer-links {
    grid-column: 1 / -1;
  }

  .evidence-layout,
  .intake-guide-layout,
  .conversion-inner {
    grid-template-columns: 1fr;
  }

  .evidence-layout {
    gap: 28px;
  }

  .intake-guide-layout {
    gap: 30px;
  }

  .conversion-inner {
    gap: 24px;
  }

  .conversion-actions {
    min-width: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-shell {
    padding-bottom: calc(62px + env(safe-area-inset-bottom));
  }

  .topbar-inner {
    width: calc(100% - 28px);
    min-height: 66px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .header-phone {
    display: none;
  }

  .brand-lockup {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 9px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 12px;
  }

  .brand-copy strong {
    overflow: hidden;
    font-size: 15px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand-copy > span {
    font-size: 12px;
  }

  .mobile-nav {
    order: initial;
  }

  .mobile-nav summary {
    width: 44px;
    min-width: 44px;
    min-height: 40px;
  }

  .mobile-nav nav {
    top: calc(100% + 13px);
    right: -1px;
    width: calc(100vw - 28px);
  }

  .hero,
  .home-hero,
  .detail-hero,
  .short-hero,
  .library-hero {
    min-height: auto;
  }

  .hero::before {
    background-image:
      linear-gradient(90deg, rgba(15, 26, 33, 0.96) 0%, rgba(15, 26, 33, 0.79) 58%, rgba(15, 26, 33, 0.3) 100%),
      var(--hero-image);
    background-position: 60% center;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding: 54px 0 58px;
  }

  .home-hero .hero-content {
    padding: 36px 0 30px;
  }

  .detail-hero .hero-content {
    padding: 34px 0 38px;
  }

  h1 {
    font-size: 36px;
    line-height: 1.18;
  }

  .detail-hero h1,
  .tool-header h1 {
    font-size: 32px;
  }

  .fault-title {
    gap: 4px;
  }

  .fault-code-heading {
    font-size: 0.68em;
  }

  .detail-hero .breadcrumb {
    margin-bottom: 12px;
  }

  .home-hero .eyebrow,
  .detail-hero .eyebrow {
    margin-bottom: 10px;
    font-size: 12px;
  }

  .lead {
    font-size: 16px;
  }

  .home-hero .lead,
  .detail-hero .lead {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.65;
  }

  .detail-hero .hero-boundary {
    margin-top: 14px;
    font-size: 12px;
  }

  .hero-company {
    font-size: 15px;
  }

  .tool-header {
    padding: 28px 0 20px;
  }

  .tool-lead {
    font-size: 16px;
  }

  .tool-contact-strip {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 8px 14px;
    margin-top: 16px;
    padding-top: 14px;
  }

  .tool-contact-strip span:last-child {
    grid-column: 1 / -1;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 22px;
  }

  .home-hero .hero-actions {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    gap: 8px;
    margin-top: 18px;
  }

  .home-hero .hero-actions .button {
    min-height: 58px;
    padding-inline: 9px;
    font-size: 13px;
  }

  .home-hero .hero-action-kicker {
    font-size: 9px;
  }

  .home-hero .hero-action-value {
    margin-top: 3px;
    font-size: 13px;
  }

  .detail-hero .hero-actions {
    margin-top: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-hero .hero-actions .detail-phone-primary {
    grid-column: 1 / -1;
  }

  .detail-action {
    padding-left: 27px !important;
  }

  .detail-action::before {
    left: 12px;
    width: 6px;
    height: 16px;
  }

  .hero-action-note {
    display: grid;
    gap: 3px;
    margin-top: 11px;
    line-height: 1.5;
  }

  .hero-action-note span {
    padding-left: 0;
    border-left: 0;
  }

  .hero-actions .button {
    min-width: 0;
    padding-inline: 12px;
    font-size: 14px;
  }

  .hero-wechat-copy {
    display: none;
  }

  .hero-lookup {
    margin-top: 18px;
    padding-top: 16px;
  }

  .hero-scope {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 12px;
    margin-top: 15px;
    padding: 10px 0;
  }

  .hero-scope span {
    min-width: 0;
    padding: 0;
    border-right: 0;
    font-size: 12px;
  }

  .hero-scope span:last-child {
    grid-column: 1 / -1;
  }

  .hero-phone-primary,
  .detail-phone-primary {
    min-width: 0;
  }

  .hero-lookup-row {
    grid-template-columns: 1fr 1fr;
  }

  .hero-lookup input {
    grid-column: 1 / -1;
  }

  .hero-lookup .button {
    width: 100%;
    padding-inline: 9px;
    font-size: 14px;
  }

  .hero-query-examples {
    flex: 1 1 auto;
  }

  .hero-lookup-head {
    gap: 8px;
    margin-bottom: 8px;
  }

  .home-hero .hero-lookup-head {
    display: grid;
    justify-content: stretch;
  }

  .home-hero .hero-library-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 1px;
    font-size: 9px;
  }

  .home-hero .hero-proof-item {
    min-width: 0;
    min-height: 30px;
    justify-content: center;
    gap: 3px;
    padding: 5px 4px;
  }

  .home-hero .hero-proof-item b {
    font-size: 12px;
  }

  .home-hero .hero-proof-item small,
  .home-hero .hero-proof-sources b {
    overflow: hidden;
    font-size: 9px;
    text-overflow: ellipsis;
  }

  .hero-lookup-head > label {
    flex: 0 0 auto;
    font-size: 12px;
  }

  .home-hero .hero-query-examples {
    width: 100%;
  }

  .hero-query-examples > span {
    display: none;
  }

  .intake-section {
    padding: 20px 0 54px;
  }

  .intake-form,
  .intake-output {
    padding-left: 16px;
    padding-right: 16px;
  }

  .form-grid.two-column,
  .check-grid {
    grid-template-columns: 1fr;
  }

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

  .form-submit-row {
    align-items: stretch;
    flex-direction: column;
  }

  .band {
    padding: 50px 0;
  }

  .home-intake-guide {
    padding: 40px 0 42px;
  }

  .intake-guide-layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .intake-guide-intro > p:not(.section-kicker) {
    margin-top: 11px;
    font-size: 14px;
  }

  .intake-guide-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 20px;
  }

  .intake-guide-actions .text-link {
    width: fit-content;
  }

  .intake-guide-steps {
    grid-template-columns: 1fr;
  }

  .intake-guide-step {
    min-height: 0;
    grid-template-columns: 38px minmax(0, 1fr);
    grid-template-rows: none;
    gap: 14px;
    padding: 18px 14px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: inset 4px 0 0 var(--step-color);
  }

  .intake-guide-step:last-child {
    border-bottom: 0;
  }

  .intake-guide-step > span {
    width: 34px;
    height: 34px;
  }

  .intake-guide-step strong {
    font-size: 17px;
  }

  .intake-guide-step p {
    margin-top: 6px;
  }

  .equipment-entry-band {
    padding: 42px 0 46px;
  }

  .equipment-entry-head h2 {
    font-size: 29px;
  }

  .equipment-entry-head > p {
    margin-top: 11px;
    font-size: 14px;
  }

  .equipment-entry-grid {
    width: calc(100% + 16px);
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(270px, calc(100vw - 56px));
    gap: 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 16px 14px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .equipment-entry {
    min-height: 168px;
    scroll-snap-align: start;
  }

  .evidence-band,
  .conversion-band {
    padding: 38px 0;
  }

  .evidence-intro h2,
  .conversion-inner h2 {
    font-size: 28px;
  }

  .evidence-levels {
    grid-template-columns: 1fr;
  }

  .evidence-level {
    min-height: 0;
    padding: 17px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .evidence-level:last-child {
    border-bottom: 0;
  }

  .evidence-level-case {
    box-shadow: none;
  }

  .evidence-visual img {
    height: 180px;
  }

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

  .wrap {
    width: calc(100% - 32px);
  }

  .section-head h2 {
    font-size: 30px;
  }

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

  .source-list a {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .brand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .brand-tile {
    min-height: 108px;
    padding: 13px;
  }

  .brand-tile strong {
    font-size: 18px;
  }

  .brand-tile span {
    font-size: 12px;
  }

  .brand-more summary {
    width: 100%;
    justify-content: center;
  }

  .model-actions,
  .model-actions .button,
  .model-actions .evidence-badge {
    width: 100%;
  }

  .hero-facts {
    margin-top: 0;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: 0;
    border-right: 0;
    box-shadow: none;
  }

  .quick-paths {
    gap: 8px;
    padding: 12px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: #eef3f4;
  }

  .quick-paths .fact {
    min-height: 104px;
    padding: 14px;
    border: 1px solid var(--line);
    border-top: 4px solid var(--fact-accent);
    box-shadow: 0 5px 14px rgba(15, 26, 33, 0.06);
  }

  .quick-paths .fact-urgent,
  .quick-paths .fact-service {
    grid-column: 1 / -1;
    min-height: 86px;
  }

  .quick-paths .fact-urgent span,
  .quick-paths .fact-service span {
    white-space: nowrap;
  }

  .detail-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    overflow-x: visible;
    padding: 12px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: #eef3f4;
  }

  .detail-facts .fact {
    min-height: 126px;
    padding: 14px;
    border: 1px solid var(--line);
    border-top: 4px solid var(--fact-accent);
    background: #ffffff;
    box-shadow: 0 5px 14px rgba(15, 26, 33, 0.06);
  }

  .detail-facts .fact b {
    padding-right: 14px;
    font-size: 11px;
  }

  .detail-facts .fact span {
    font-size: 15px;
  }

  .detail-facts .fact small {
    font-size: 11px;
  }

  .detail-facts .fact-action::after {
    top: 12px;
    right: 12px;
  }

  .detail-section-nav {
    position: sticky;
    top: 66px;
    box-shadow: 0 8px 18px rgba(15, 26, 33, 0.08);
  }

  .detail-section-nav-inner {
    width: 100%;
    min-height: 50px;
    padding: 0 16px;
  }

  .detail-section-nav-label,
  .detail-section-nav a {
    min-height: 50px;
    padding: 9px 12px;
    font-size: 12px;
  }

  .detail-section-nav-label {
    padding-left: 0;
  }

  .knowledge-article [id] {
    scroll-margin-top: 132px;
  }

  #model-browser,
  #fault-browser,
  #contact,
  section[id] {
    scroll-margin-top: 132px;
  }

  .fact {
    min-height: 108px;
    padding: 14px 16px;
  }

  .quick-paths .fact {
    min-height: 98px;
  }

  .quick-paths .fact span {
    padding-right: 10px;
    font-size: 16px;
  }

  .fact span {
    padding-right: 12px;
    font-size: 15px;
    overflow-wrap: anywhere;
  }

  .fact small {
    font-size: 11px;
  }

  .fact-action::after {
    top: 14px;
    right: 13px;
  }

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

  .home-service-grid {
    width: calc(100% + 16px);
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(270px, calc(100vw - 56px));
    gap: 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 16px 14px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .home-service-grid .service-card {
    min-height: 286px;
    scroll-snap-align: start;
  }

  .home-knowledge-grid {
    width: calc(100% + 16px);
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(270px, calc(100vw - 56px));
    gap: 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 16px 14px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .home-knowledge-grid .card {
    min-height: 292px;
    scroll-snap-align: start;
  }

  .home-priority-brand-grid {
    width: calc(100% + 16px);
    grid-template-columns: none;
    grid-template-rows: repeat(2, minmax(112px, auto));
    grid-auto-flow: column;
    grid-auto-columns: minmax(132px, calc(50vw - 38px));
    gap: 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 16px 14px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .home-priority-brand-grid .brand-tile {
    min-height: 112px;
    scroll-snap-align: start;
  }

  .home-featured-grid {
    width: calc(100% + 16px);
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(270px, calc(100vw - 56px));
    gap: 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 2px 16px 14px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .home-featured-grid .card {
    min-height: 300px;
    scroll-snap-align: start;
  }

  .library-band {
    padding-top: 28px;
  }

  .library-band .metrics-strip {
    transform: none;
    box-shadow: none;
  }

  .library-band .metrics-strip + .notice {
    margin-top: 22px;
  }

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

  .metrics-strip div,
  .metrics-strip div:nth-child(2n) {
    border-bottom: 1px solid var(--line);
  }

  .metrics-strip div:nth-child(2n) {
    border-right: 0;
  }

  .metrics-strip div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .model-search {
    padding: 18px;
  }

  .search-empty {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 18px;
  }

  .search-empty-actions,
  .search-empty-actions .button {
    width: 100%;
  }

  .knowledge-article .answer-box {
    padding: 22px 20px;
  }

  .knowledge-article .section-card {
    padding: 26px 0;
  }

  .knowledge-article .diagnostic-card,
  .knowledge-article .safe-card,
  .knowledge-article .procurement-card,
  .knowledge-article .contact-prep-card,
  .knowledge-article .source-card,
  .knowledge-article .stop-card {
    padding-left: 16px;
  }

  .footer {
    padding-top: 42px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-links {
    grid-column: auto;
  }

  .mobile-contact {
    display: grid;
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.92fr) minmax(0, 0.96fr);
    min-height: calc(60px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background: #111a22;
    box-shadow: 0 -8px 22px rgba(15, 26, 33, 0.2);
  }

  .mobile-contact a,
  .mobile-contact button {
    min-width: 0;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    padding: 6px 8px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-top: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
    background: transparent;
    font: inherit;
    cursor: pointer;
  }

  .mobile-contact a:last-child {
    border-right: 0;
  }

  .mobile-contact a:focus-visible,
  .mobile-contact button:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: -4px;
  }

  .mobile-contact small,
  .mobile-contact button small {
    font-size: 10px;
    font-weight: 700;
    line-height: 1.25;
  }

  .mobile-contact strong,
  .mobile-contact button strong {
    margin-top: 2px;
    overflow-wrap: anywhere;
    font-size: 13px;
    line-height: 1.25;
  }

  .mobile-contact .mobile-contact-phone {
    background: var(--accent);
    color: #111;
  }

  .mobile-contact .mobile-contact-phone strong {
    white-space: nowrap;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
  }

  .mobile-contact .mobile-contact-wechat {
    color: #ffffff;
    background: #18333e;
    box-shadow: inset 0 3px 0 var(--green);
  }

  .mobile-contact .mobile-contact-intake {
    box-shadow: inset 0 3px 0 var(--blue);
  }

  .intake-body .mobile-contact {
    display: none;
  }

  .intake-body .site-shell {
    padding-bottom: 0;
  }
}

@media (max-width: 360px) {
  .brand-name-full {
    display: none;
  }

  .brand-name-compact {
    display: inline;
  }
}

@media (max-width: 340px) {
  .home-hero .hero-company,
  .home-hero .lead,
  .home-hero .hero-query-examples {
    display: none;
  }

  .home-hero .hero-content {
    padding-top: 28px;
    padding-bottom: 22px;
  }

  .home-hero .hero-scope {
    margin-top: 12px;
  }

  .home-hero .hero-actions {
    margin-top: 16px;
  }

  .home-hero .hero-lookup {
    margin-top: 14px;
    padding-top: 12px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}