/* SINOVANTA interface optimization — v20261015-104647 */
:root {
  --interface-header-offset: 88px;
  --interface-blue: #075fe4;
  --interface-ink: #061a44;
  --interface-muted: #455a76;
  --interface-line: #d7e2f0;
  --interface-soft: #f4f8fd;
}

html {
  scroll-padding-top: var(--interface-header-offset);
}

[id] {
  scroll-margin-top: var(--interface-header-offset);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #3c95ff;
  outline-offset: 3px;
}

.mobile-toggle,
.lang-trigger,
.header-actions .btn {
  min-width: 44px;
  min-height: 44px;
}

/* Homepage hierarchy */
body[data-interface-page="home"] .electronics-hero {
  padding: clamp(42px, 5vw, 66px) 0 clamp(38px, 4.5vw, 54px);
}

body[data-interface-page="home"] .electronics-hero-grid {
  gap: clamp(34px, 4vw, 64px);
}

body[data-interface-page="home"] .electronics-hero-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(44px, 4.7vw, 68px);
  line-height: 1.06;
}

body[data-interface-page="home"] .electronics-hero-copy .lead {
  margin-bottom: 22px;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.68;
}

body[data-interface-page="home"] .electronics-hero-media img {
  aspect-ratio: 16 / 9;
}

body[data-interface-page="home"] .stage-selector {
  padding-top: 50px;
  padding-bottom: 44px;
}

body[data-interface-page="home"] .stage-card {
  min-height: 238px;
  padding: 22px;
}

body[data-interface-page="home"] .stage-card h3 {
  margin-top: 12px;
  font-size: 20px;
}

body[data-interface-page="home"] .evidence-section {
  padding: 48px 0;
  background: #f5f9ff;
  border-block: 1px solid #e0e9f5;
}

body[data-interface-page="home"] .evidence-layout {
  grid-template-columns: minmax(250px, .65fr) minmax(0, 1.35fr);
  gap: clamp(28px, 4vw, 64px);
}

body[data-interface-page="home"] .evidence-layout h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 2.7vw, 40px);
}

body[data-interface-page="home"] .evidence-grid {
  gap: 10px;
}

body[data-interface-page="home"] .evidence-grid .case-evidence-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(145px, .65fr) minmax(150px, .7fr);
  gap: 18px;
  align-items: start;
  min-height: 118px;
  padding: 19px 20px;
}

.case-evidence-field {
  display: grid;
  min-width: 0;
  gap: 7px;
}

.evidence-grid .case-evidence-label {
  color: #62758e;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  line-height: 1.45;
  text-transform: uppercase;
}

.evidence-grid .case-evidence-need strong {
  color: var(--interface-ink);
  font-size: 16px;
  line-height: 1.45;
}

.evidence-grid .case-evidence-work span:last-child {
  color: #315477;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.evidence-grid .case-evidence-deliverable span:last-child {
  color: var(--interface-blue);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
}

body[data-interface-page="home"] .development-capabilities,
body[data-interface-page="home"] .execution-section,
body[data-interface-page="home"] .electronics-lifecycle,
body[data-interface-page="home"] .boundary-section {
  padding-block: 52px;
}

body[data-interface-page="home"] .capability-grid article {
  min-height: 196px;
  padding: 21px;
}

body[data-interface-page="home"] .execution-grid article {
  min-height: 310px;
  padding: 25px;
}

body[data-interface-page="home"] .lifecycle-grid li {
  padding: 20px 17px;
}

/* About page: one full introduction and six capability entries */
body[data-interface-page="about"] .hero {
  padding-block: clamp(42px, 5vw, 66px);
}

body[data-interface-page="about"] .hero-grid {
  gap: clamp(32px, 4vw, 60px);
}

body[data-interface-page="about"] .hero h1 {
  font-size: clamp(40px, 4.5vw, 60px);
}

body[data-interface-page="about"] .hero .lead {
  max-width: 62ch;
}

body[data-interface-page="about"] .hero-photo img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

body[data-interface-page="about"] .brand-profile-section {
  padding-block: 58px;
}

body[data-interface-page="about"] .brand-profile-panel {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
}

body[data-interface-page="about"] .brand-profile-copy,
body[data-interface-page="about"] .brand-profile-experience {
  padding: clamp(28px, 3.4vw, 44px);
}

body[data-interface-page="about"] .brand-profile-scope {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-interface-page="about"] .brand-profile-capability {
  min-height: 88px;
  padding: 20px;
}

body[data-interface-page="about"] .brand-profile-capability:nth-child(4) {
  border-inline-start: 0;
}

body[data-interface-page="about"] .brand-profile-capability:nth-child(n + 4) {
  border-top: 1px solid #dce5f0;
}

body[data-interface-page="about"] .brand-profile-capability.is-static {
  cursor: default;
}

body[data-interface-page="about"] .brand-profile-capability.is-static:hover {
  background: #fff;
}

/* Development-service page directory and layered technical groups */
.service-page-nav {
  padding: 20px 0 6px;
  background: #fff;
}

.service-page-nav-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px 26px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--interface-line);
  border-radius: 10px;
  background: var(--interface-soft);
}

.service-page-nav strong {
  color: #314d70;
  font-size: 13px;
  line-height: 1.4;
}

.service-page-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-page-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 9px 13px;
  border: 1px solid #cbd9eb;
  border-radius: 7px;
  background: #fff;
  color: #173f70;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.35;
}

.service-page-nav a:hover,
.service-page-nav a:focus-visible {
  border-color: #79a8e8;
  color: var(--interface-blue);
}

details.service-detail-group {
  margin-top: 16px;
  overflow: clip;
  border: 1px solid #d5e1ef;
  border-radius: 10px;
  background: #fff;
}

details.service-detail-group > summary {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  background: #f4f8fd;
}

details.service-detail-group > summary::-webkit-details-marker {
  display: none;
}

details.service-detail-group > summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--interface-blue);
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
}

details.service-detail-group[open] > summary::after {
  content: "−";
}

details.service-detail-group > summary h3 {
  margin: 0;
  color: var(--interface-ink);
  font-size: 20px;
}

details.service-detail-group > .engineering-grid {
  padding: 20px;
}

/* RFQ state, controls and anchor offset */
#inquiry-form {
  scroll-margin-top: var(--interface-header-offset);
}

.rfq-context-banner {
  display: flex;
  grid-column: 1 / -1;
  min-height: 48px;
  align-items: center;
  margin: 0;
  padding: 11px 14px;
  border: 1px solid #c9d9ed;
  border-radius: 7px;
  background: #f2f7fd;
  color: #294b70;
  font-size: 14px;
  line-height: 1.55;
}

.rfq-product-context {
  border-color: #a9c9ee;
  background: #edf6ff;
}

.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  font-size: 16px;
}

.rfq-form summary,
.rfq-form button,
.rfq-form .check-card {
  min-height: 44px;
}

/* Compact and accessible footer */
.site-footer[data-interface-version="v20261015-104647"] .footer-grid {
  grid-template-columns: minmax(220px, 1.25fr) repeat(3, minmax(145px, .78fr)) minmax(260px, 1.2fr);
  gap: 26px;
  padding: 40px 0 28px;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-profile {
  display: block;
  grid-column: auto;
  padding: 0;
  border: 0;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-overview .brand {
  margin-bottom: 16px;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-title {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-positioning {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-trust {
  display: grid;
  gap: 4px;
  margin: 12px 0 0;
  color: #d6e5f5;
  font-size: 12px;
  line-height: 1.55;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-boundary {
  margin: 12px 0 0;
  color: #a9bfd7;
  font-size: 12px;
  line-height: 1.55;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-brand-more {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 8px;
  color: #8fc3ff;
  font-size: 13px;
}

.footer-disclosure > summary {
  list-style: none;
}

.footer-disclosure > summary::-webkit-details-marker {
  display: none;
}

.footer-link-group > summary {
  margin: 0 0 12px;
  color: #fff;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.4;
}

.footer-link-group .footer-links a {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  line-height: 1.45;
}

.footer-qr-disclosure > summary {
  margin: 14px 0 10px;
  color: #dceafa;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.4;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-contact-qr-grid {
  grid-template-columns: repeat(3, 82px);
  gap: 8px;
}

.site-footer[data-interface-version="v20261015-104647"] .wechat-qr,
.site-footer[data-interface-version="v20261015-104647"] .footer-whatsapp-link {
  grid-template-rows: 66px auto;
  width: 82px;
  min-height: 102px;
  padding: 7px;
}

.site-footer[data-interface-version="v20261015-104647"] .wechat-qr img,
.site-footer[data-interface-version="v20261015-104647"] .footer-whatsapp-link img {
  width: 66px;
  height: 66px;
}

.site-footer[data-interface-version="v20261015-104647"] .footer-contact-cta {
  min-height: 44px;
}

@media (max-width: 1320px) {
  body[data-interface-page="home"] .evidence-layout {
    grid-template-columns: 1fr;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-profile,
  .site-footer[data-interface-version="v20261015-104647"] .footer-contact {
    grid-column: span 2;
  }
}

@media (min-width: 1101px) {
  body[data-interface-page="home"] .electronics-hero-grid,
  body[data-interface-page="home"] section.hero .hero-grid {
    grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  }
}

@media (max-width: 900px) {
  body[data-interface-page="home"] .evidence-grid .case-evidence-card {
    grid-template-columns: 1fr 1fr;
  }

  .case-evidence-need {
    grid-column: 1 / -1;
  }

  body[data-interface-page="about"] .brand-profile-panel {
    grid-template-columns: 1fr;
  }

  body[data-interface-page="about"] .brand-profile-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-interface-page="about"] .brand-profile-capability:nth-child(3),
  body[data-interface-page="about"] .brand-profile-capability:nth-child(5) {
    border-inline-start: 0;
  }

  body[data-interface-page="about"] .brand-profile-capability:nth-child(4) {
    border-inline-start: 1px solid #dce5f0;
  }

  body[data-interface-page="about"] .brand-profile-capability:nth-child(n + 3) {
    border-top: 1px solid #dce5f0;
  }
}

@media (max-width: 700px) {
  :root {
    --interface-header-offset: 78px;
  }

  .mobile-toggle,
  .lang-trigger {
    width: 44px !important;
    min-width: 44px !important;
    height: 44px;
  }

  .nav a,
  .nav-primary > .nav-parent,
  .nav-submenu-toggle {
    min-height: 44px;
  }

  body[data-interface-page="home"] .electronics-hero {
    padding: 34px 0 30px;
  }

  body[data-interface-page="home"] .electronics-hero-grid {
    gap: 26px;
  }

  body[data-interface-page="home"] .electronics-hero-copy h1 {
    font-size: clamp(34px, 10vw, 42px);
  }

  body[data-interface-page="home"] .electronics-hero-media img {
    aspect-ratio: 16 / 10;
  }

  body[data-interface-page="home"] section.hero .photo-grid {
    display: block;
  }

  body[data-interface-page="home"] section.hero .photo-grid img {
    display: none;
  }

  body[data-interface-page="home"] section.hero .photo-grid img:first-child {
    display: block;
    width: 100%;
    height: 190px;
    object-fit: cover;
  }

  body[data-interface-page="home"] .stage-selector,
  body[data-interface-page="home"] .evidence-section,
  body[data-interface-page="home"] .development-capabilities,
  body[data-interface-page="home"] .execution-section,
  body[data-interface-page="home"] .electronics-lifecycle,
  body[data-interface-page="home"] .boundary-section {
    padding-block: 38px;
  }

  body[data-interface-page="home"] .stage-card {
    min-height: 0;
  }

  body[data-interface-page="home"] .evidence-grid .case-evidence-card {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 12px;
  }

  .case-evidence-need {
    grid-column: auto;
  }

  body[data-interface-page="about"] .hero {
    padding-block: 34px 38px;
  }

  body[data-interface-page="about"] .brand-profile-section {
    padding-block: 40px;
  }

  body[data-interface-page="about"] .brand-profile-scope {
    grid-template-columns: 1fr;
  }

  body[data-interface-page="about"] .brand-profile-capability,
  body[data-interface-page="about"] .brand-profile-capability:nth-child(3),
  body[data-interface-page="about"] .brand-profile-capability:nth-child(4),
  body[data-interface-page="about"] .brand-profile-capability:nth-child(5) {
    min-height: 70px;
    border-inline-start: 0;
    border-top: 1px solid #dce5f0;
  }

  .service-page-nav {
    padding-top: 14px;
  }

  .service-page-nav-inner {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px;
  }

  .service-page-nav-links {
    display: grid;
    grid-template-columns: 1fr;
  }

  .service-page-nav a {
    width: 100%;
  }

  details.service-detail-group > summary {
    padding: 14px 16px;
  }

  details.service-detail-group > summary h3 {
    font-size: 18px;
  }

  details.service-detail-group > .engineering-grid {
    padding: 14px;
  }

  .site-footer[data-interface-version="v20261015-104647"] {
    margin-top: 32px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 24px 0 16px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-profile,
  .site-footer[data-interface-version="v20261015-104647"] .footer-contact {
    grid-column: auto;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-profile {
    padding-bottom: 14px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-title {
    margin-bottom: 7px;
    font-size: 18px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-positioning {
    font-size: 12.5px;
    line-height: 1.5;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-trust,
  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-boundary {
    margin-top: 8px;
    line-height: 1.4;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-brand-more {
    margin-top: 2px;
  }

  .footer-link-group {
    border-top: 1px solid rgba(255, 255, 255, .16);
  }

  .footer-link-group > summary,
  .footer-qr-disclosure > summary {
    position: relative;
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 0;
    cursor: pointer;
  }

  .footer-link-group > summary::after,
  .footer-qr-disclosure > summary::after {
    content: "+";
    flex: 0 0 auto;
    color: #8fc3ff;
    font-size: 21px;
    font-weight: 400;
  }

  .footer-link-group[open] > summary::after,
  .footer-qr-disclosure[open] > summary::after {
    content: "−";
  }

  .footer-link-group .footer-links {
    padding: 2px 0 12px;
  }

  .footer-link-group .footer-links a {
    min-height: 44px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-contact {
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, .16);
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-contact-details {
    gap: 3px;
    margin-bottom: 4px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-contact-details p {
    font-size: 13px;
    line-height: 1.45;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-contact-qr-grid {
    grid-template-columns: repeat(3, 82px);
    padding-bottom: 4px;
  }

  .site-footer[data-interface-version="v20261015-104647"] .footer-bottom {
    gap: 10px;
    padding: 12px 0;
    font-size: 12px;
    line-height: 1.55;
  }
}

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

  * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}