:root {
  color-scheme: light;
  --blue: #1264d8;
  --blue-dark: #0b3f93;
  --blue-soft: #eaf3ff;
  --sky: #f6faff;
  --ink: #172033;
  --text: #445166;
  --muted: #7b8798;
  --line: #e6edf5;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(18, 100, 216, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: var(--sky);
  line-height: 1.65;
}

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

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

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(230, 237, 245, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  max-width: 260px;
  color: var(--ink);
  font-size: 17px;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 14px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 13px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links .nav-cta {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.nav-links .nav-cta {
  font-weight: 800;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  padding: 10px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
}

.hero {
  width: min(1160px, calc(100% - 40px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 76px 0 56px;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.72fr);
  grid-template-areas:
    "copy visual"
    "metrics metrics";
  align-items: center;
  gap: 28px 56px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(246, 250, 255, 0.96) 0%, rgba(246, 250, 255, 0.9) 40%, rgba(246, 250, 255, 0.45) 100%),
    url("/assets/optimized/sections__hero-building-zhifan-1280.webp") right center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  z-index: -1;
  background: linear-gradient(180deg, rgba(246, 250, 255, 0), var(--sky));
}

.hero-copy-wrap {
  grid-area: copy;
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.32;
}

h4 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.hero-copy {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: 18px;
}

.founded-note {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin: 20px 0 0;
  padding: 0 14px;
  border: 1px solid rgba(18, 100, 216, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
  backdrop-filter: blur(10px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-btn,
.secondary-btn,
.contact-form button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 800;
  border: 1px solid transparent;
  cursor: pointer;
}

.primary-btn,
.contact-form button {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(18, 100, 216, 0.22);
}

.secondary-btn {
  color: var(--blue-dark);
  background: var(--white);
  border-color: var(--line);
}

.hero-visual {
  grid-area: visual;
  display: none;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 100, 216, 0), rgba(18, 100, 216, 0.16));
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-metrics {
  grid-area: metrics;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 12px 0 0;
}

.hero-metrics div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
}

.hero-metrics dt {
  color: var(--blue-dark);
  font-size: 26px;
  line-height: 1;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 78px 0;
}

.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.intro > p,
.section-heading p,
.contact p,
.product-grid p,
.case-list p,
.case-data-grid p,
.knowledge-grid p,
.service-grid p {
  color: var(--muted);
  margin: 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

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

.soft {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100% - 1160px) / 2));
  padding-right: max(20px, calc((100% - 1160px) / 2));
  background: var(--white);
}

.brand-strip {
  padding-top: 34px;
  padding-bottom: 28px;
}

.brand-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.brand-cloud span,
.case-data-grid span,
.knowledge-grid span,
.service-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
}

.product-grid,
.case-list,
.case-data-grid,
.knowledge-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.product-grid article,
.product-home-card,
.case-list article,
.case-data-grid article,
.knowledge-grid article,
.service-grid article,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(21, 40, 65, 0.05);
}

.product-grid article,
.product-home-card,
.case-list article,
.case-data-grid article,
.knowledge-grid article,
.service-grid article {
  padding: 24px;
}

.product-grid article,
.product-home-card > span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  border-radius: 14px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  font-weight: 900;
}

.product-grid h3,
.case-list h3,
.knowledge-grid h3,
.case-data-grid h4,
.service-grid h4 {
  margin-bottom: 10px;
}

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

.credential-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}

.credential-panel div {
  min-height: 138px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.credential-panel strong {
  color: var(--blue-dark);
  font-size: 32px;
  line-height: 1;
}

.credential-panel span {
  margin-top: 10px;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 15px;
  background: #fbfdff;
  color: var(--ink);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  width: 100%;
  border: 0;
  font-size: 16px;
}

.footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--blue-dark);
  font-weight: 800;
}

@media (max-width: 1080px) {
  .nav-links {
    gap: 4px;
  }

  .brand {
    min-width: 220px;
  }

  .hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "visual"
      "metrics";
    min-height: 0;
    padding-top: 54px;
  }

  .hero-visual {
    aspect-ratio: 16 / 9;
  }

  .intro,
  .contact {
    grid-template-columns: 1fr;
  }

  .credential-panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 880px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .nav-links a {
    justify-content: center;
  }

  .product-grid,
  .case-list,
  .case-data-grid,
  .knowledge-grid,
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav,
  .hero,
  .section,
  .footer {
    width: min(100% - 28px, 1160px);
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    max-width: 210px;
    font-size: 15px;
  }

  .brand small {
    display: none;
  }

  .hero {
    padding-top: 42px;
    padding-bottom: 36px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-metrics,
  .product-grid,
  .case-list,
  .case-data-grid,
  .knowledge-grid,
  .service-grid,
  .credential-panel {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }

  .soft {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero-actions,
  .footer {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .contact-form {
    padding: 20px;
  }
}

.compact-heading {
  margin-bottom: 20px;
}

.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.brand-logo-grid article {
  min-height: 148px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(21, 40, 65, 0.05);
}

.brand-logo-grid img {
  width: 100%;
  height: 72px;
  object-fit: contain;
}

.brand-logo-grid span {
  color: var(--ink);
  font-weight: 800;
  text-align: center;
}

.secondary-brands {
  margin-top: 12px;
}

@media (max-width: 880px) {
  .brand-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .brand-logo-grid {
    grid-template-columns: 1fr;
  }

  .brand-logo-grid article {
    min-height: 132px;
  }

  .brand-logo-grid img {
    height: 64px;
  }
}

/* Section media refresh */
.nav-links {
  gap: 4px;
  font-size: 13px;
}

.nav-links a {
  padding: 0 11px;
}

.section-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.78fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 28px;
}

.section-split .section-heading {
  margin-bottom: 0;
}

.section-image,
.contact-image,
.stock-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  background: var(--blue-soft);
  border: 1px solid rgba(230, 237, 245, 0.92);
  box-shadow: 0 16px 36px rgba(21, 40, 65, 0.08);
}

.section-image {
  aspect-ratio: 16 / 10;
}

.section-image img,
.contact-image img,
.stock-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.knowledge-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.knowledge-list article {
  min-height: 178px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(21, 40, 65, 0.05);
}

.knowledge-list span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  border-radius: 13px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  font-weight: 900;
  font-size: 13px;
}

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

.knowledge-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.strength-section {
  position: relative;
}

.strength-hero {
  min-height: 360px;
  display: grid;
  align-items: end;
  margin-bottom: 20px;
  padding: 34px;
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 45, 105, 0.92) 0%, rgba(18, 100, 216, 0.72) 46%, rgba(18, 100, 216, 0.18) 100%),
    url("/assets/optimized/sections__strength-warehouse-bg-1280.webp") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.strength-hero > div {
  max-width: 660px;
}

.strength-hero .eyebrow,
.strength-hero h2,
.strength-hero p {
  color: var(--white);
}

.strength-hero p:last-child {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.82);
}

.strength-section .credential-panel div,
.strength-section .service-grid article {
  background: rgba(255, 255, 255, 0.94);
}

.stock-gallery {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 14px;
  margin-top: 18px;
}

.stock-gallery figure {
  aspect-ratio: 16 / 10;
}

.stock-gallery figure:first-child {
  grid-row: span 2;
  aspect-ratio: auto;
}

.contact-image {
  aspect-ratio: 16 / 10;
  margin-top: 24px;
}

@media (max-width: 1080px) {
  .section-split {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-image {
    max-height: 420px;
  }

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

  .stock-gallery figure:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 16 / 8;
  }
}

@media (max-width: 880px) {
  .knowledge-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    font-size: 14px;
  }
}

@media (max-width: 640px) {
  .section-split {
    gap: 20px;
  }

  .section-image,
  .contact-image {
    border-radius: 20px;
    aspect-ratio: 4 / 3;
  }

  .knowledge-list,
  .stock-gallery {
    grid-template-columns: 1fr;
  }

  .stock-gallery figure:first-child {
    aspect-ratio: 4 / 3;
  }

  .strength-hero {
    min-height: 340px;
    padding: 24px;
    border-radius: 24px;
    background:
      linear-gradient(180deg, rgba(8, 45, 105, 0.94) 0%, rgba(18, 100, 216, 0.72) 62%, rgba(18, 100, 216, 0.34) 100%),
      url("/assets/optimized/sections__strength-warehouse-bg-1280.webp") center / cover no-repeat;
  }
}

/* Knowledge article links */
.knowledge-card {
  position: relative;
  min-height: 178px;
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(21, 40, 65, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.knowledge-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(18, 100, 216, 0.12);
}

.knowledge-card strong {
  display: inline-flex;
  margin-top: 16px;
  color: var(--blue-dark);
  font-size: 14px;
}

.knowledge-list.collapsed .knowledge-card.is-hidden {
  display: none;
}

.knowledge-more {
  position: relative;
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.knowledge-more::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -72px;
  height: 72px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(246, 250, 255, 0), var(--sky));
}

.knowledge-more button {
  position: relative;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-dark);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(21, 40, 65, 0.06);
}

.article-page {
  background: var(--sky);
}

.article-nav-links {
  display: flex;
}

.article-shell {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 72px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--blue-dark);
  font-weight: 900;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.58fr);
  gap: 34px;
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.article-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
}

.article-hero p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.article-hero figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--blue-soft);
  box-shadow: var(--shadow);
}

.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-content {
  margin-top: 36px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 14px 42px rgba(21, 40, 65, 0.05);
}

.article-content h2 {
  margin: 34px 0 12px;
  font-size: 25px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p,
.article-content li {
  color: var(--text);
  font-size: 16px;
  line-height: 1.9;
}

.article-content p {
  margin: 0 0 16px;
}

.article-content ul {
  margin: 0 0 18px;
  padding-left: 22px;
}

.article-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.article-pager a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--blue-dark);
  font-weight: 900;
}

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

  .article-content {
    padding: 22px;
  }

  .article-nav-links {
    display: none;
  }
}

/* Rich article layout */
.article-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.68fr);
  gap: 18px;
  margin-top: 24px;
}

.article-inline-image {
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--blue-soft);
  box-shadow: 0 14px 36px rgba(21, 40, 65, 0.06);
}

.article-inline-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.article-inline-image figcaption {
  padding: 12px 16px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  background: var(--white);
}

.article-keypoints {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(18, 100, 216, 0.12);
  background: linear-gradient(180deg, #ffffff, #eef6ff);
  box-shadow: 0 14px 36px rgba(21, 40, 65, 0.05);
}

.article-keypoints span {
  align-self: flex-start;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.article-keypoints h2 {
  margin: 14px 0 12px;
  color: var(--ink);
  font-size: 25px;
}

.article-keypoints ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

.article-keypoints li {
  margin: 8px 0;
  line-height: 1.65;
}

.article-table-wrap {
  margin-top: 32px;
  overflow-x: auto;
}

.article-table-wrap h2 {
  margin-top: 0;
}

.article-table {
  width: 100%;
  min-width: 680px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
}

.article-table th,
.article-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.article-table th:last-child,
.article-table td:last-child {
  border-right: 0;
}

.article-table tr:last-child td {
  border-bottom: 0;
}

.article-table th {
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-weight: 900;
}

.article-table td {
  color: var(--text);
}

@media (max-width: 860px) {
  .article-visual-grid {
    grid-template-columns: 1fr;
  }

  .article-inline-image img {
    height: auto;
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 640px) {
  .article-table {
    min-width: 620px;
  }

  .article-keypoints {
    padding: 20px;
  }
}

.form-status {
  margin: 4px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.form-status.success {
  color: #0b6b3a;
  background: #e9f8ef;
  border: 1px solid #bce8cc;
}

.form-status.error {
  color: #a32020;
  background: #fff0f0;
  border: 1px solid #f4c7c7;
}

.form-status.loading {
  color: var(--blue-dark);
  background: var(--blue-soft);
  border: 1px solid #c9ddff;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.admin-page {
  min-height: 100vh;
  padding: 56px 20px;
  background: var(--sky);
}

.admin-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.admin-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.admin-heading h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.1;
}

.admin-heading p {
  margin: 0;
  max-width: 680px;
}

.admin-back {
  width: fit-content;
  color: var(--blue);
  font-weight: 700;
}

.admin-login {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 14px;
}

.admin-login label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.admin-login input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--sky);
}

.admin-login button {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  padding: 0 22px;
  color: var(--white);
  background: var(--blue);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.admin-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.admin-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  background: var(--white);
}

.admin-table th,
.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  color: var(--ink);
  background: var(--blue-soft);
  font-size: 14px;
}

.admin-table td {
  color: var(--text);
  font-size: 14px;
}

.admin-empty {
  text-align: center;
  color: var(--muted);
}

@media (max-width: 720px) {
  .admin-page {
    padding: 24px 12px;
  }

  .admin-shell {
    padding: 20px;
  }

  .admin-login {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  display: block;
  padding: 34px max(20px, calc((100vw - 1160px) / 2));
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(280px, 1.1fr);
  gap: 28px;
  align-items: start;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-main strong {
  display: block;
  margin-bottom: 10px;
  color: var(--white);
  font-size: 18px;
}

.footer-main p {
  margin: 4px 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
}

@media (max-width: 720px) {
  .footer-main {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
  }
}


.article-hero figure,
.article-inline-image {
  position: relative;
  isolation: isolate;
  border: 0;
  background: linear-gradient(135deg, rgba(18, 100, 216, 0.16), rgba(255, 255, 255, 0.78));
}

.article-hero figure::after,
.article-inline-image::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(8, 36, 82, 0.08), rgba(255, 255, 255, 0.18) 48%, rgba(18, 100, 216, 0.16));
}

.article-hero img,
.article-inline-image img {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.88;
  filter: saturate(0.92) contrast(0.98);
}

.article-inline-image {
  min-height: 320px;
  display: flex;
  align-items: end;
}

.article-inline-image figcaption {
  position: relative;
  z-index: 2;
  width: 100%;
  margin: 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.68));
  backdrop-filter: blur(10px);
}

@media (max-width: 860px) {
  .article-inline-image {
    min-height: 260px;
  }
}

/* Footer contrast and strength media refinement */
.footer.site-footer {
  width: 100%;
  max-width: none;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  background: linear-gradient(135deg, #071d3f 0%, #0b3f93 52%, #1264d8 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer .footer-main,
.site-footer .footer-bottom {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-footer .footer-main strong,
.site-footer .footer-main p,
.site-footer .footer-bottom p,
.site-footer .footer-links a,
.site-footer .footer-bottom a {
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.18);
}

.site-footer .footer-main strong {
  color: #ffffff;
}

.site-footer .footer-main p,
.site-footer .footer-bottom p {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer .footer-links a,
.site-footer .footer-bottom a {
  color: #ffffff;
}

.site-footer .footer-links a:hover,
.site-footer .footer-bottom a:hover {
  color: #d7e8ff;
}

.strength-section .service-grid article {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 220px;
  background: linear-gradient(145deg, rgba(255,255,255,0.92), rgba(246,250,255,0.84));
}

.strength-section .service-grid article::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.18;
  background-position: center;
  background-size: cover;
  filter: saturate(0.95) contrast(0.95);
}

.strength-section .service-grid article::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(234,243,255,0.82));
}

.strength-section .service-grid article:nth-child(1)::before {
  background-image: url("/assets/optimized/sections__warehouse-ai-shelves-3-1280.webp");
}

.strength-section .service-grid article:nth-child(2)::before {
  background-image: url("/assets/optimized/sections__warehouse-ai-stock-2-1280.webp");
}

.strength-section .service-grid article:nth-child(3)::before {
  background-image: url("/assets/optimized/sections__warehouse-ai-overview-1-1280.webp");
}

.stock-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.stock-gallery figure,
.stock-gallery figure:first-child {
  grid-row: auto;
  grid-column: auto;
  aspect-ratio: 16 / 10;
  min-height: 0;
}

.stock-gallery figure {
  position: relative;
  isolation: isolate;
  border: 0;
  background: var(--blue-soft);
}

.stock-gallery figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 29, 63, 0.08), rgba(255, 255, 255, 0.12), rgba(18, 100, 216, 0.16));
  pointer-events: none;
}

.stock-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 900px) {
  .stock-gallery {
    grid-template-columns: 1fr;
  }

  .stock-gallery figure,
  .stock-gallery figure:first-child {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 640px) {
  .site-footer .footer-main,
  .site-footer .footer-bottom {
    width: min(100% - 28px, 1160px);
  }
}

.brand-logo {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  object-fit: contain;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(18, 100, 216, 0.14);
}

.brand:has(.brand-logo) {
  gap: 12px;
}

@media (max-width: 640px) {
  .brand-logo {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }
}

.product-search {
  position: relative;
  width: min(360px, 100%);
  margin-top: 22px;
}

.product-search label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.product-search input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  padding: 0 18px;
  font: inherit;
  box-shadow: 0 12px 34px rgba(18, 100, 216, 0.08);
  outline: none;
}

.product-search input:focus {
  border-color: rgba(18, 100, 216, 0.5);
  box-shadow: 0 0 0 4px rgba(18, 100, 216, 0.1);
}

.product-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 15;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.product-search-results a,
.product-search-results p {
  display: block;
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
}

.product-search-results a:hover {
  background: var(--blue-soft);
}

.product-search-results strong,
.product-search-results span {
  display: block;
}

.product-search-results span {
  color: var(--muted);
  font-size: 13px;
}

.product-category-card {
  position: relative;
  min-height: 210px;
  padding: 28px;
  border: 1px solid rgba(18, 100, 216, 0.14);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(18, 100, 216, 0.95), rgba(11, 63, 147, 0.82)),
    url("/assets/optimized/sections__warehouse-ai-shelves-3-1280.webp") center/cover;
  color: var(--white);
  box-shadow: var(--shadow);
}

.product-category-card span,
.product-category-card h3,
.product-category-card p {
  position: relative;
  z-index: 1;
}

.product-category-card span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 900;
}

.product-category-card h3 {
  margin-top: 18px;
  color: var(--white);
}

.product-category-card p {
  color: rgba(255, 255, 255, 0.88);
}

.product-category-card:hover {
  transform: translateY(-3px);
}

.product-page {
  width: min(1160px, calc(100% - 40px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 64px 0 80px;
}

.product-page-hero,
.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 32px;
  align-items: end;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(246, 250, 255, 0.96), rgba(234, 243, 255, 0.88)),
    url("/assets/optimized/sections__products-shelves-1280.webp") center/cover;
  box-shadow: var(--shadow);
}

.product-page-hero h1,
.product-detail-hero h1 {
  font-size: clamp(42px, 6vw, 76px);
}

.product-page-hero > div > p:last-child,
.product-detail-hero > div > p:last-child {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: 18px;
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--blue-dark);
  font-weight: 800;
}

.product-browser {
  margin-top: 28px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
}

.manufacturer-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.manufacturer-tabs button {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.manufacturer-tabs button.active,
.manufacturer-tabs button:hover {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.product-state {
  margin: 22px 0;
  color: var(--muted);
  font-weight: 700;
}

.product-list {
  display: grid;
  gap: 12px;
}

.product-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 118px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(246, 250, 255, 0.9)),
    url("/assets/optimized/sections__warehouse-ai-stock-2-1280.webp") center/cover;
}

.product-row:hover {
  border-color: rgba(18, 100, 216, 0.32);
  box-shadow: 0 14px 36px rgba(18, 100, 216, 0.1);
  transform: translateY(-2px);
}

.model-badge {
  display: grid;
  place-items: center;
  min-height: 74px;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 24px;
  font-weight: 900;
}

.product-row h3 {
  margin-bottom: 6px;
}

.product-row p {
  margin: 0 0 8px;
}

.product-row small {
  color: var(--muted);
  font-weight: 800;
}

.detail-summary,
.detail-card,
.spec-table-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 36px rgba(18, 100, 216, 0.08);
}

.detail-summary {
  padding: 26px;
}

.detail-summary span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.detail-summary strong {
  display: block;
  margin: 8px 0 14px;
  color: var(--ink);
  font-size: 28px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.detail-card,
.spec-table-card {
  padding: 26px;
}

.detail-card.wide {
  grid-column: 1 / -1;
}

.detail-card h2,
.spec-table-card h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 22px;
}

.detail-card ul {
  margin: 0;
  padding-left: 20px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 46%;
  color: var(--ink);
  font-weight: 900;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.note-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 243, 255, 0.9)),
    url("/assets/optimized/sections__knowledge-operation-1280.webp") center/cover;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.product-footer {
  margin-top: 0;
}

@media (max-width: 760px) {
  .product-page {
    width: min(100% - 24px, 1160px);
    padding: 32px 0 56px;
  }

  .product-page-hero,
  .product-detail-hero,
  .product-detail-grid,
  .product-row {
    grid-template-columns: 1fr;
  }

  .product-page-hero,
  .product-detail-hero,
  .product-browser,
  .detail-card,
  .spec-table-card {
    padding: 20px;
  }

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

  .model-badge {
    width: 112px;
  }
}


.product-home-card {
  color: inherit;
}

.product-home-card:hover {
  transform: translateY(-3px);
  border-color: rgba(18, 100, 216, 0.32);
  box-shadow: 0 16px 40px rgba(18, 100, 216, 0.12);
}


/* Design refinement: cleaner white surfaces, subtle blue accents, integrated imagery. */
body {
  background: #ffffff;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(226, 232, 240, 0.86);
}

.hero {
  width: 100%;
  min-height: calc(100vh - 72px);
  padding: 84px max(20px, calc((100% - 1160px) / 2)) 46px;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 37%, rgba(255, 255, 255, 0.24) 72%, rgba(255, 255, 255, 0.04) 100%),
    url("/assets/optimized/sections__hero-building-zhifan-1280.webp") right center / cover no-repeat;
}

.hero::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff);
}

.hero-copy-wrap {
  max-width: 620px;
}

.hero-copy {
  max-width: 520px;
  color: #4b5565;
}

.hero-metrics {
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(226, 232, 240, 0.92);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.07);
}

.section {
  padding: 74px 0;
}

.soft,
.brand-strip,
.strength-section {
  background: #ffffff;
}

.section-split {
  align-items: center;
}

.section-image,
.contact-image,
.stock-gallery figure {
  border-radius: 8px;
  box-shadow: none;
  background: #f8fafc;
  position: relative;
}

.section-image::after,
.contact-image::after,
.stock-gallery figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(18,100,216,0.12));
  pointer-events: none;
}

.product-grid {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.product-home-card,
.product-grid article,
.case-list article,
.case-data-grid article,
.knowledge-grid article,
.service-grid article,
.contact-form,
.detail-summary,
.detail-card,
.spec-table-card,
.product-browser,
.product-page-hero,
.product-detail-hero {
  border-radius: 8px;
  box-shadow: none;
  border-color: #e5e7eb;
}

.product-home-card {
  min-height: 190px;
  padding: 18px;
  background: #ffffff;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.product-home-card > span {
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #eef5ff;
  color: var(--blue-dark);
  font-size: 12px;
}

.product-home-card h3 {
  min-height: 54px;
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.35;
}

.product-home-card p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: #667085;
  font-size: 13px;
  line-height: 1.55;
}

.product-home-card:hover {
  transform: translateY(-2px);
  border-color: rgba(18, 100, 216, 0.42);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.strength-hero {
  border-radius: 8px;
  box-shadow: none;
  background:
    linear-gradient(90deg, rgba(6, 32, 72, 0.88) 0%, rgba(18, 100, 216, 0.58) 46%, rgba(255, 255, 255, 0.16) 100%),
    url("/assets/optimized/sections__strength-warehouse-bg-1280.webp") center / cover no-repeat;
}

.service-grid article::before,
.service-grid article::after,
.product-category-card {
  border-radius: 8px;
}

@media (max-width: 1080px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .hero {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.88) 48%, rgba(255,255,255,0.35) 100%),
      url("/assets/optimized/sections__hero-building-zhifan-1280.webp") center top / cover no-repeat;
  }

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

  .product-home-card {
    min-height: auto;
  }

  .product-home-card h3 {
    min-height: auto;
  }
}

/* Supply proof, delivery scenes, brand folding, SEO and responsive polish */
.stock-proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 16px;
}

.stock-proof-strip article,
.seo-keyword-grid article,
.amap-card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.stock-proof-strip article {
  padding: 18px;
  background: linear-gradient(135deg, #ffffff, #f4f8ff);
}

.stock-proof-strip strong,
.amap-card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.3;
}

.stock-proof-strip span,
.amap-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.brand-more {
  margin-top: 12px;
}

.brand-more summary {
  width: fit-content;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue-dark);
  background: #ffffff;
  font-weight: 900;
  cursor: pointer;
}

.brand-logo-grid-small {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 14px;
}

.brand-logo-grid-small article {
  min-height: 124px;
  padding: 14px;
}

.brand-logo-grid-small img {
  height: 58px;
  filter: saturate(0.95) contrast(1.02);
}

.delivery-scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.delivery-card {
  position: relative;
  isolation: isolate;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  overflow: hidden;
  padding: 18px;
  border-radius: 8px;
  color: #ffffff;
  background-position: center;
  background-size: cover;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.delivery-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 29, 63, 0.08), rgba(7, 29, 63, 0.78));
}

.delivery-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.14);
}

.delivery-card.steel { background-image: url("/assets/optimized/sections__delivery-steel-structure-1280.webp"); }
.delivery-card.shipyard { background-image: url("/assets/optimized/sections__delivery-shipyard-1280.webp"); }
.delivery-card.auto { background-image: url("/assets/optimized/sections__delivery-auto-factory-1280.webp"); }
.delivery-card.machinery { background-image: url("/assets/optimized/sections__delivery-machinery-1280.webp"); }

.delivery-card span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 900;
}

.delivery-card strong {
  margin-top: 8px;
  color: #ffffff;
  font-size: 18px;
  line-height: 1.35;
}

.seo-keywords {
  padding-top: 56px;
}

.seo-keyword-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.seo-keyword-grid article {
  min-height: 210px;
  padding: 22px;
}

.seo-keyword-grid h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.seo-keyword-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.standard-list {
  margin: 14px 0 14px;
  padding: 12px 14px 12px 30px;
  border-radius: 8px;
  background: rgba(234, 243, 255, 0.76);
  color: var(--blue-dark);
  font-size: 13px;
  line-height: 1.65;
}

.amap-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding: 18px;
  background: linear-gradient(135deg, #ffffff, #eef6ff);
}

.map-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.amap-card a,
.map-actions a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-weight: 900;
  white-space: nowrap;
}

.map-actions a:first-child {
  background: #0f172a;
}

@keyframes softRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-copy-wrap,
.hero-metrics,
.product-home-card,
.stock-proof-strip article,
.delivery-card,
.seo-keyword-grid article {
  animation: softRise 520ms ease both;
}

.product-home-card:nth-child(2), .stock-proof-strip article:nth-child(2) { animation-delay: 50ms; }
.product-home-card:nth-child(3), .stock-proof-strip article:nth-child(3) { animation-delay: 100ms; }
.product-home-card:nth-child(4) { animation-delay: 150ms; }
.product-home-card:nth-child(5) { animation-delay: 200ms; }
.product-home-card:nth-child(6) { animation-delay: 250ms; }
.product-home-card:nth-child(7) { animation-delay: 300ms; }

@media (max-width: 1180px) {
  .brand-logo-grid-small,
  .delivery-scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .stock-proof-strip,
  .seo-keyword-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 640px) {
  .stock-proof-strip,
  .seo-keyword-grid,
  .delivery-scene-grid,
  .brand-logo-grid-small {
    grid-template-columns: 1fr;
  }

  .delivery-card {
    min-height: 210px;
  }

  .amap-card {
    align-items: stretch;
    flex-direction: column;
  }

  .map-actions {
    width: 100%;
    justify-content: stretch;
  }

  .amap-card a,
  .map-actions a {
    flex: 1 1 160px;
    width: auto;
  }

  .manufacturer-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .manufacturer-tabs button {
    flex: 0 0 auto;
  }

  .product-search {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

.standard-groups {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.standard-group {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(18, 100, 216, 0.12);
  border-radius: 8px;
  background: rgba(234, 243, 255, 0.66);
}

.standard-group b {
  color: var(--blue-dark);
  font-size: 13px;
  line-height: 1.6;
}

.standard-group ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 520px) {
  .standard-group {
    grid-template-columns: 1fr;
  }
}

/* Product detail responsive refinement and scroll-aware header */
.site-header {
  transition: background 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header.scrolled {
  background: linear-gradient(135deg, rgba(7, 29, 63, 0.96), rgba(11, 63, 147, 0.92));
  border-bottom-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 32px rgba(7, 29, 63, 0.18);
}

.site-header.scrolled .brand strong,
.site-header.scrolled .nav-links a,
.site-header.scrolled .menu-toggle span {
  color: #ffffff;
}

.site-header.scrolled .brand small {
  color: rgba(255, 255, 255, 0.68);
}

.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links .nav-cta {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.site-header.scrolled .menu-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.24);
}

.detail-page .product-detail-grid {
  align-items: stretch;
}

.detail-page .detail-card,
.detail-page .spec-table-card {
  min-width: 0;
}

.detail-page .spec-table-card:nth-of-type(4) {
  background: linear-gradient(135deg, #ffffff, #f4f8ff);
}

.spec-table td,
.spec-table th {
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .product-detail-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .detail-summary {
    padding: 20px;
  }

  .detail-summary > strong {
    font-size: 20px;
    line-height: 1.45;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-card.wide {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .product-detail-hero,
  .product-page-hero {
    padding: 18px;
  }

  .product-page-hero h1,
  .product-detail-hero h1 {
    font-size: clamp(34px, 12vw, 44px);
    line-height: 1.08;
  }

  .detail-summary > strong {
    display: none;
  }

  .standard-groups {
    margin-top: 6px;
  }

  .standard-group {
    padding: 11px 12px;
  }

  .detail-card,
  .spec-table-card {
    padding: 18px;
  }

  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-table tr:last-child {
    border-bottom: 0;
  }

  .spec-table th,
  .spec-table td {
    padding: 0;
    border-bottom: 0;
  }

  .spec-table td {
    margin-top: 5px;
    color: var(--text);
  }
}

/* Layout stabilization: centered desktop rhythm and safer responsive grids */
html,
body,
#root {
  width: 100%;
  max-width: 100%;
}

body {
  overflow-x: hidden;
}

main {
  width: 100%;
}

.nav,
.section,
.site-footer .footer-main,
.site-footer .footer-bottom,
.product-page,
.article-shell,
.admin-shell {
  max-width: 1160px;
}

.section:not(.soft):not(.hero),
.product-page,
.article-shell {
  width: min(1160px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.soft {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - 1160px) / 2));
  padding-right: max(20px, calc((100vw - 1160px) / 2));
}

.section > *,
.soft > * {
  min-width: 0;
}

.section-heading {
  max-width: 700px;
}

.section-split {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
  gap: clamp(22px, 4vw, 44px);
}

.section-image {
  width: 100%;
  max-width: 460px;
  justify-self: end;
}

.brand-logo-grid.featured-brands {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.brand-logo-grid-small {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  justify-content: center;
  gap: 14px;
}

.product-home-card {
  min-height: 188px;
  min-width: 0;
}

.stock-proof-strip,
.case-list,
.case-data-grid,
.service-grid,
.seo-keyword-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.case-data-grid article:nth-child(n + 5),
.seo-keyword-grid article:nth-child(n + 5) {
  display: none;
}

.delivery-scene-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.knowledge-list {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.knowledge-card {
  min-width: 0;
}

.contact {
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.88fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.contact > div:first-child {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.contact > .amap-card {
  grid-column: 1;
  grid-row: 2;
  margin-top: -24px;
}

.contact > .contact-form {
  grid-column: 2;
  grid-row: 1 / span 2;
  width: 100%;
  min-width: 0;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 15px;
  background: #fbfdff;
  color: var(--ink);
  font: inherit;
}

.contact-form select {
  appearance: auto;
}

.product-page-hero,
.product-detail-hero {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  overflow: hidden;
}

.product-browser,
.product-detail-grid,
.detail-card,
.spec-table-card,
.detail-summary {
  min-width: 0;
}

.product-row {
  grid-template-columns: minmax(88px, 110px) minmax(0, 1fr);
  min-width: 0;
}

.spec-table-card {
  overflow: hidden;
}

.spec-table {
  table-layout: fixed;
}

.standard-group,
.standard-group ul,
.spec-table th,
.spec-table td,
.product-row h3,
.product-row p,
.product-row small {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.product-search-results {
  max-height: min(420px, 60vh);
  overflow-y: auto;
}

@media (min-width: 1181px) {
  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .product-grid .product-home-card:nth-child(n + 5) {
    max-width: none;
  }
}

@media (max-width: 1080px) {
  .brand-logo-grid.featured-brands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-split,
  .contact,
  .product-page-hero,
  .product-detail-hero {
    grid-template-columns: 1fr;
  }

  .section-image {
    max-width: 100%;
    justify-self: stretch;
  }

  .contact > div:first-child,
  .contact > .amap-card,
  .contact > .contact-form {
    grid-column: auto;
    grid-row: auto;
  }

  .contact > .amap-card {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .nav,
  .section:not(.soft):not(.hero),
  .product-page,
  .article-shell,
  .site-footer .footer-main,
  .site-footer .footer-bottom {
    width: min(100% - 28px, 1160px);
  }

  .soft {
    padding-left: 14px;
    padding-right: 14px;
  }

  .brand-logo-grid.featured-brands,
  .product-grid,
  .stock-proof-strip,
  .case-list,
  .case-data-grid,
  .service-grid,
  .delivery-scene-grid,
  .seo-keyword-grid,
  .knowledge-list,
  .stock-gallery,
  .credential-panel {
    grid-template-columns: 1fr;
  }

  .case-data-grid article:nth-child(n + 4),
  .delivery-scene-grid article:nth-child(n + 4),
  .seo-keyword-grid article:nth-child(n + 4) {
    display: none;
  }

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

  .model-badge {
    width: 100%;
    min-height: 58px;
  }

  .amap-card {
    margin-top: 0;
  }
}

@media (max-width: 520px) {
  .section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .brand-logo-grid article,
  .product-home-card,
  .case-list article,
  .case-data-grid article,
  .knowledge-card,
  .service-grid article,
  .seo-keyword-grid article,
  .contact-form {
    padding: 18px;
  }

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

/* Stronger mid-size folding so dense modules never crowd tablets or phones */
@media (max-width: 900px) {
  .case-data-grid article:nth-child(n + 4),
  .delivery-scene-grid article:nth-child(n + 4),
  .seo-keyword-grid article:nth-child(n + 4) {
    display: none !important;
  }

  .brand-logo-grid.featured-brands {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (max-width: 640px) {
  .featured-brands article:nth-child(n + 5) {
    display: none;
  }
}

/* Subtle industrial scroll motion */
.hero::before {
  background-position: right calc(50% + var(--hero-shift, 0px));
}

[data-reveal="true"] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 560ms ease,
    transform 560ms cubic-bezier(.2,.8,.2,1),
    clip-path 680ms cubic-bezier(.2,.8,.2,1),
    border-color 180ms ease,
    box-shadow 180ms ease;
  transition-delay: calc(var(--reveal-order, 0) * 65ms);
  will-change: opacity, transform;
}

[data-reveal="true"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-image[data-reveal="true"],
.contact-image[data-reveal="true"],
.stock-gallery figure[data-reveal="true"] {
  clip-path: inset(0 18% 0 0 round 8px);
  transform: translateY(14px) scale(0.985);
}

.section-image[data-reveal="true"].is-visible,
.contact-image[data-reveal="true"].is-visible,
.stock-gallery figure[data-reveal="true"].is-visible {
  clip-path: inset(0 0 0 0 round 8px);
  transform: translateY(0) scale(1);
}

.delivery-card[data-reveal="true"]:nth-child(odd) {
  transform: translateX(-18px);
}

.delivery-card[data-reveal="true"]:nth-child(even) {
  transform: translateX(18px);
}

.delivery-card[data-reveal="true"].is-visible {
  transform: translateX(0);
}

.product-home-card,
.product-row,
.knowledge-card,
.delivery-card,
.service-grid article {
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.product-home-card:hover,
.product-row:hover,
.knowledge-card:hover,
.service-grid article:hover {
  transform: translateY(-2px);
  border-color: rgba(18, 100, 216, 0.42);
  box-shadow: 0 16px 34px rgba(18, 100, 216, 0.12);
}

.product-home-card:hover > span,
.model-badge {
  transition: background 180ms ease, color 180ms ease;
}

.product-home-card:hover > span {
  background: rgba(18, 100, 216, 0.14);
  color: var(--blue);
}

.site-header,
.brand-logo,
.nav-links a,
.menu-toggle,
.menu-toggle span {
  transition:
    background 220ms ease,
    color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    width 220ms ease,
    height 220ms ease,
    transform 220ms ease;
}

.site-header.scrolled .brand-logo {
  width: 40px;
  height: 40px;
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.18);
}



/* Authorized certificate carousel */
.certificate-slider {
  margin-top: 24px;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(280px, 1.25fr);
  grid-template-areas:
    "copy stage"
    "dots stage";
  gap: 18px 26px;
  align-items: center;
  border: 1px solid rgba(18, 100, 216, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(234, 243, 255, 0.74)),
    radial-gradient(circle at 18% 0%, rgba(18, 100, 216, 0.16), transparent 36%);
  box-shadow: 0 18px 46px rgba(21, 40, 65, 0.08);
  overflow: hidden;
}

.certificate-copy {
  grid-area: copy;
  min-width: 0;
}

.certificate-copy h3 {
  margin-bottom: 10px;
  font-size: clamp(22px, 3vw, 30px);
}

.certificate-copy p {
  margin: 0;
  color: var(--muted);
}

.certificate-current {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(18, 100, 216, 0.13);
}

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

.certificate-current strong {
  color: var(--ink);
  font-size: 16px;
}

.certificate-current span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.certificate-stage {
  grid-area: stage;
  position: relative;
  min-height: 420px;
  border-radius: 8px;
  background:
    linear-gradient(140deg, rgba(11, 63, 147, 0.12), rgba(255, 255, 255, 0.78)),
    #f8fbff;
  border: 1px solid rgba(18, 100, 216, 0.14);
  overflow: hidden;
}

.certificate-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(18, 100, 216, 0.1), transparent 28%, transparent 70%, rgba(11, 63, 147, 0.1));
  z-index: 2;
}

.certificate-slide {
  position: absolute;
  inset: 18px;
  margin: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateX(18px) scale(0.985);
  transition: opacity 520ms ease, transform 620ms cubic-bezier(.2,.8,.2,1);
}

.certificate-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  z-index: 1;
}

.certificate-slide img {
  width: 100%;
  height: 100%;
  max-height: 560px;
  object-fit: contain;
  border-radius: 6px;
  filter: drop-shadow(0 18px 24px rgba(21, 40, 65, 0.12));
}

.certificate-controls {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.certificate-controls button {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(18, 100, 216, 0.18);
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-dark);
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(18, 100, 216, 0.08);
}

.certificate-controls button:hover,
.certificate-controls button:focus-visible {
  border-color: rgba(18, 100, 216, 0.48);
  background: var(--blue-soft);
  outline: none;
}

.certificate-dots {
  grid-area: dots;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: start;
}

.certificate-dots button {
  width: 34px;
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: rgba(18, 100, 216, 0.2);
  cursor: pointer;
}

.certificate-dots button.active {
  background: var(--blue);
}

@media (max-width: 860px) {
  .certificate-slider {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "stage"
      "dots";
    padding: 18px;
  }

  .certificate-stage {
    min-height: clamp(300px, 72vw, 520px);
  }
}

@media (max-width: 520px) {
  .certificate-slider {
    margin-top: 18px;
    padding: 14px;
  }

  .certificate-slide {
    inset: 12px;
  }

  .certificate-controls button {
    width: 38px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before {
    background-position: right center;
  }

  [data-reveal="true"],
  [data-reveal="true"].is-visible,
  .section-image[data-reveal="true"],
  .contact-image[data-reveal="true"],
  .stock-gallery figure[data-reveal="true"],
  .delivery-card[data-reveal="true"] {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
    animation: none !important;
  }
}


/* Product pagination and QA knowledge library */
.product-list-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}

.pagination button {
  min-width: 42px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-dark);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.pagination button.active,
.pagination button:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.pagination button:disabled {
  cursor: not-allowed;
  color: var(--muted);
  opacity: 0.55;
}

.knowledge-category-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}

.knowledge-category-tabs button {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(21, 40, 65, 0.04);
}

.knowledge-category-tabs button.active,
.knowledge-category-tabs button:hover {
  border-color: rgba(18, 100, 216, 0.42);
  background: linear-gradient(135deg, #ffffff, #eaf3ff);
  color: var(--blue-dark);
}

.knowledge-category-tabs span {
  font-weight: 900;
}

.knowledge-category-tabs small {
  flex: 0 0 auto;
  color: var(--muted);
  font-weight: 800;
}

.qa-knowledge-card h3 {
  min-height: 50px;
}

.qa-shell {
  max-width: 1080px;
}

.qa-hero {
  align-items: center;
}

.qa-answer-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 16px;
  margin-top: 26px;
}

.qa-answer-card,
.qa-note {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(21, 40, 65, 0.06);
}

.qa-answer-card span,
.qa-note strong {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.qa-answer-card h2 {
  margin: 14px 0 12px;
  color: var(--ink);
  font-size: 25px;
}

.qa-answer-card p,
.qa-note p {
  margin: 0 0 14px;
  color: var(--text);
  line-height: 1.9;
}

.qa-answer-card p:last-child,
.qa-note p:last-child {
  margin-bottom: 0;
}

.short-answer {
  background: linear-gradient(180deg, #ffffff, #eef6ff);
}

.qa-table-wrap,
.qa-note {
  margin-top: 18px;
}

.qa-table {
  min-width: 680px;
}

@media (max-width: 760px) {
  .article-shell,
  .qa-shell {
    width: min(100% - 28px, 1080px);
    padding: 34px 0 56px;
  }

  .article-hero,
  .qa-hero,
  .qa-answer-grid {
    grid-template-columns: 1fr;
  }

  .article-hero h1,
  .qa-hero h1 {
    font-size: clamp(30px, 9vw, 42px);
    line-height: 1.12;
  }

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

  .article-content,
  .qa-answer-card,
  .qa-note {
    padding: 20px;
    border-radius: 8px;
  }

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

  .article-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .article-table,
  .qa-table {
    min-width: 560px;
  }

  .article-pager {
    justify-content: stretch;
  }

  .article-pager a {
    flex: 1 1 100%;
  }

  .knowledge-category-tabs {
    grid-template-columns: 1fr;
  }

  .product-list-meta {
    display: block;
  }

  .product-list-meta span {
    display: block;
    margin-bottom: 6px;
  }
}

@media (max-width: 420px) {
  .article-table,
  .qa-table {
    min-width: 520px;
  }

  .pagination button {
    min-width: 38px;
    min-height: 38px;
    padding: 0 12px;
  }
}

/* Responsive image delivery */
.optimized-picture,
.article-photo-bg picture {
  display: contents;
}

.article-photo-bg picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Navigation, search, certificate and product-filter refinements */
.product-search {
  overflow: visible;
  z-index: 40;
}

.product-search-results.product-search-results-floating {
  position: fixed;
  right: auto;
  z-index: 5000;
  max-height: min(560px, calc(100vh - 24px));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.product-search-results a {
  min-height: 62px;
}

.product-filter-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.22fr);
  gap: 18px;
  margin-bottom: 24px;
}

.product-filter-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(247, 251, 255, 0.9));
  min-width: 0;
}

.product-filter-card h2 {
  margin: 0 0 14px;
  font-size: 16px;
}

.category-tabs {
  display: grid;
  gap: 8px;
}

.category-tabs a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid rgba(18, 100, 216, 0.12);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  text-decoration: none;
  font-weight: 850;
}

.category-tabs a strong {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 12px;
}

.category-tabs a span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.category-tabs a.active,
.category-tabs a:hover {
  border-color: rgba(18, 100, 216, 0.48);
  background: linear-gradient(135deg, #ffffff, #eaf3ff);
  color: var(--blue-dark);
}

.product-page-actions,
.detail-nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.certificate-slider {
  align-items: start;
  overflow: visible;
}

.certificate-stage {
  min-height: clamp(620px, 70vw, 820px);
  overflow: hidden;
}

.certificate-slide {
  inset: 16px;
  align-content: center;
}

.certificate-slide .optimized-picture,
.certificate-slide picture {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
}

.certificate-slide img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.article-pager .primary-btn,
.article-pager .nav-cta {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

@media (max-width: 960px) {
  .product-filter-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 860px) {
  .certificate-stage {
    min-height: clamp(540px, 118vw, 760px);
  }
}

@media (max-width: 560px) {
  .category-tabs {
    grid-template-columns: 1fr;
  }

  .product-page-actions .primary-btn,
  .product-page-actions .secondary-btn,
  .detail-nav-actions .primary-btn,
  .detail-nav-actions .secondary-btn {
    width: 100%;
    justify-content: center;
  }

  .certificate-stage {
    min-height: clamp(470px, 138vw, 650px);
  }
}

.certificate-preview-trigger {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.certificate-preview-trigger:focus-visible {
  outline: 3px solid rgba(18, 100, 216, 0.42);
  outline-offset: 4px;
  border-radius: 8px;
}

.certificate-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 18, 36, 0.78);
  backdrop-filter: blur(10px);
}

.certificate-modal-inner {
  position: relative;
  display: grid;
  justify-items: center;
  width: min(960px, 96vw);
  max-height: 92vh;
  padding: 18px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.certificate-modal-inner .optimized-picture,
.certificate-modal-inner picture {
  display: grid;
  place-items: center;
  width: 100%;
  max-height: calc(92vh - 96px);
}

.certificate-modal-inner img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: calc(92vh - 112px);
  object-fit: contain;
}

.certificate-modal-inner p {
  margin: 10px 0 0;
  color: var(--ink);
  font-weight: 800;
  text-align: center;
}

.certificate-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(18, 100, 216, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--blue-dark);
  font-weight: 900;
  cursor: pointer;
}

@media (max-width: 560px) {
  .certificate-modal {
    padding: 10px;
  }

  .certificate-modal-inner {
    width: 100%;
    padding: 12px;
  }
}

.certificate-preview-trigger .optimized-picture,
.certificate-preview-trigger picture {
  display: grid !important;
  place-items: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.certificate-preview-trigger img {
  width: auto !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center !important;
}

.certificate-slide,
.certificate-preview-trigger {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.certificate-preview-trigger img {
  height: 100% !important;
  width: auto !important;
  max-width: 100% !important;
  max-height: 100% !important;
}

.certificate-stage {
  min-height: clamp(760px, 84vw, 980px) !important;
}

@media (max-width: 860px) {
  .certificate-stage {
    min-height: clamp(620px, 150vw, 900px) !important;
  }
}
/* Merged knowledge and selection hub */
.knowledge-hub {
  position: relative;
}

.knowledge-hub-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.58fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: end;
  margin-bottom: 18px;
}

.knowledge-hub-hero .section-heading {
  max-width: 760px;
  margin-bottom: 0;
}

.knowledge-hub-image {
  aspect-ratio: 4 / 3;
  max-height: 360px;
}

.quick-match-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.quick-match-card,
.knowledge-library-panel {
  min-width: 0;
  border: 1px solid rgba(18, 100, 216, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(21, 40, 65, 0.06);
}

.quick-match-card {
  display: block;
  padding: 22px;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.quick-match-card:hover {
  transform: translateY(-2px);
  border-color: rgba(18, 100, 216, 0.44);
  background: linear-gradient(135deg, #ffffff, #eef6ff);
  box-shadow: 0 18px 42px rgba(18, 100, 216, 0.12);
}

.quick-match-card > span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.quick-match-card h3 {
  margin: 14px 0 10px;
  font-size: 20px;
}

.quick-match-card p,
.knowledge-library-copy p {
  margin: 0;
  color: var(--muted);
}

.quick-match-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.quick-match-card em {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(18, 100, 216, 0.08);
  color: var(--blue-dark);
  font-style: normal;
  font-size: 12px;
  font-weight: 850;
}

.knowledge-library-panel {
  padding: clamp(18px, 3vw, 26px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 251, 255, 0.92)),
    url("/assets/optimized/sections__knowledge-operation-1280.webp") right top / 42% auto no-repeat;
}

.knowledge-library-copy {
  max-width: 720px;
  margin-bottom: 16px;
}

.knowledge-library-copy h3 {
  margin-bottom: 8px;
  font-size: clamp(24px, 3vw, 32px);
}

.knowledge-hub .knowledge-category-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.knowledge-hub .knowledge-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.knowledge-hub .knowledge-card {
  min-height: 202px;
}

@media (max-width: 1180px) {
  .knowledge-hub .knowledge-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .knowledge-hub-hero,
  .quick-match-grid {
    grid-template-columns: 1fr;
  }

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

  .knowledge-library-panel {
    background: rgba(255, 255, 255, 0.96);
  }
}

@media (max-width: 760px) {
  .knowledge-hub .knowledge-category-tabs,
  .knowledge-hub .knowledge-list {
    grid-template-columns: 1fr;
  }

  .knowledge-hub .knowledge-list.collapsed .knowledge-card:nth-child(n + 4) {
    display: none;
  }

  .knowledge-hub .knowledge-more {
    margin-top: 14px;
  }
}
/* Search dropdown viewport anchoring */
.product-search-results.product-search-results-floating {
  position: fixed !important;
  right: auto !important;
  bottom: auto !important;
  z-index: 6000;
  box-sizing: border-box;
  padding: 6px;
  border-radius: 12px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.product-search-results.product-search-results-floating a,
.product-search-results.product-search-results-floating p {
  min-height: 58px;
  padding: 9px 11px;
  border-radius: 8px;
}

.product-search-results.product-search-results-floating strong {
  font-size: 14px;
  line-height: 1.25;
}

.product-search-results.product-search-results-floating span {
  margin-top: 3px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.35;
}

@media (max-width: 520px) {
  .product-search-results.product-search-results-floating {
    max-width: calc(100vw - 24px);
  }
}
/* Unified industrial tile system: cohesive surfaces, media blending, responsive type */
:root {
  --tile-radius: 8px;
  --tile-border: rgba(15, 45, 85, 0.11);
  --tile-border-strong: rgba(18, 100, 216, 0.34);
  --tile-shadow: 0 10px 28px rgba(15, 35, 62, 0.055);
  --tile-shadow-hover: 0 18px 42px rgba(18, 100, 216, 0.12);
  --tile-title-size: clamp(16px, 1.35vw, 19px);
  --tile-body-size: clamp(13.5px, 0.95vw, 15px);
  --tile-caption-size: clamp(12px, 0.85vw, 13px);
  --section-title-size: clamp(26px, 3.1vw, 38px);
  --industrial-surface: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(247,250,253,0.94));
  --industrial-linework:
    linear-gradient(90deg, rgba(18,100,216,0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(15,35,62,0.035) 1px, transparent 1px);
}

.section h2,
.product-page-hero h1,
.product-detail-hero h1 {
  font-size: var(--section-title-size);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-heading p,
.case-list p,
.case-data-grid p,
.knowledge-card p,
.quick-match-card p,
.service-grid p,
.product-home-card p,
.detail-card p,
.spec-table-card p {
  font-size: var(--tile-body-size);
  line-height: 1.65;
}

.brand-logo-grid article,
.product-home-card,
.case-list article,
.case-data-grid article,
.knowledge-card,
.quick-match-card,
.knowledge-library-panel,
.service-grid article,
.product-filter-card,
.detail-card,
.spec-table-card,
.contact-form,
.amap-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--tile-radius);
  border: 1px solid var(--tile-border);
  background: var(--industrial-surface);
  box-shadow: var(--tile-shadow);
}

.brand-logo-grid article::after,
.product-home-card::after,
.case-list article::after,
.case-data-grid article::after,
.knowledge-card::after,
.quick-match-card::after,
.product-filter-card::after,
.detail-card::after,
.spec-table-card::after,
.contact-form::after,
.amap-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.68;
  background-image: var(--industrial-linework);
  background-size: 26px 26px, 26px 26px;
  mask-image: linear-gradient(135deg, transparent 0%, #000 42%, transparent 100%);
  pointer-events: none;
}

.product-home-card,
.case-list article,
.case-data-grid article,
.knowledge-card,
.quick-match-card,
.service-grid article {
  min-width: 0;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease, filter 180ms ease;
}

.product-home-card:hover,
.case-list article:hover,
.case-data-grid article:hover,
.knowledge-card:hover,
.quick-match-card:hover,
.service-grid article:hover,
.product-filter-card:hover {
  transform: translateY(-2px);
  border-color: var(--tile-border-strong);
  box-shadow: var(--tile-shadow-hover);
}

.product-home-card h3,
.case-list h3,
.case-data-grid h4,
.knowledge-card h3,
.quick-match-card h3,
.service-grid h4,
.detail-card h2,
.spec-table-card h3,
.product-filter-card h2 {
  font-size: var(--tile-title-size);
  line-height: 1.34;
  letter-spacing: 0;
  color: var(--ink);
}

.product-home-card h3,
.knowledge-card h3,
.quick-match-card h3 {
  display: -webkit-box;
  overflow: hidden;
  min-height: auto;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-home-card p,
.case-list p,
.case-data-grid p,
.knowledge-card p,
.quick-match-card p,
.service-grid p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.product-home-card > span,
.case-data-grid span,
.knowledge-card span,
.quick-match-card > span,
.service-grid span,
.model-badge {
  border: 1px solid rgba(18, 100, 216, 0.12);
  background: linear-gradient(135deg, rgba(234,243,255,0.96), rgba(255,255,255,0.78));
  color: var(--blue-dark);
  font-size: var(--tile-caption-size);
}

.product-home-card {
  min-height: 176px;
  padding: clamp(16px, 1.7vw, 22px);
}

.product-home-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  z-index: -2;
  opacity: 0.18;
  background: url("/assets/optimized/sections__products-shelves-768.webp") center bottom / cover no-repeat;
  filter: saturate(0.9) contrast(0.96);
}

.product-home-card:nth-child(2)::before,
.product-home-card:nth-child(3)::before {
  background-image: url("/assets/optimized/sections__warehouse-ai-shelves-3-768.webp");
}

.product-home-card:nth-child(5)::before,
.product-home-card:nth-child(6)::before,
.product-home-card:nth-child(7)::before {
  background-image: url("/assets/optimized/sections__warehouse-ai-stock-2-768.webp");
}

.product-grid {
  grid-template-columns: repeat(auto-fit, minmax(176px, 1fr));
  gap: clamp(12px, 1.5vw, 16px);
}

.section-image,
.contact-image,
.stock-gallery figure {
  overflow: hidden;
  border: 1px solid rgba(15, 45, 85, 0.1);
  background: #f4f7fb;
}

.section-image::after,
.contact-image::after,
.stock-gallery figure::after {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.10), rgba(18,100,216,0.18)),
    linear-gradient(180deg, transparent 58%, rgba(7,29,63,0.18));
}

.delivery-card {
  min-height: clamp(190px, 22vw, 230px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--tile-shadow);
}

.delivery-card::before {
  background:
    linear-gradient(180deg, rgba(8, 26, 52, 0.10), rgba(8, 26, 52, 0.76)),
    linear-gradient(135deg, rgba(18, 100, 216, 0.10), rgba(255,255,255,0.04));
}

.delivery-card strong {
  font-size: clamp(16px, 1.4vw, 19px);
}

.strength-section .service-grid article {
  min-height: clamp(190px, 21vw, 228px);
  padding: clamp(18px, 2vw, 24px);
  background: linear-gradient(145deg, rgba(255,255,255,0.94), rgba(239,246,255,0.86));
}

.strength-section .service-grid article::before {
  opacity: 0.22;
  filter: saturate(0.86) contrast(0.94);
}

.strength-section .service-grid article::after {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.93), rgba(239,246,255,0.78)),
    linear-gradient(180deg, transparent, rgba(18,100,216,0.08));
}

.case-data-grid article:nth-child(n + 5),
.delivery-scene-grid article:nth-child(n + 5),
.seo-keyword-grid article:nth-child(n + 5) {
  display: none;
}

@media (max-width: 980px) {
  .product-grid,
  .case-list,
  .case-data-grid,
  .service-grid,
  .delivery-scene-grid,
  .quick-match-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .product-grid .product-home-card:nth-child(n + 6),
  .case-data-grid article:nth-child(n + 5),
  .delivery-scene-grid article:nth-child(n + 4) {
    display: none !important;
  }
}

@media (max-width: 640px) {
  :root {
    --tile-title-size: 16.5px;
    --tile-body-size: 13.5px;
    --section-title-size: 27px;
  }

  .section:not(.soft):not(.hero),
  .product-page,
  .article-shell {
    width: min(100% - 28px, 1160px);
  }

  .product-grid,
  .case-list,
  .case-data-grid,
  .service-grid,
  .delivery-scene-grid,
  .quick-match-grid,
  .knowledge-list {
    grid-template-columns: 1fr;
  }

  .product-grid .product-home-card:nth-child(n + 5),
  .case-data-grid article:nth-child(n + 4),
  .delivery-scene-grid article:nth-child(n + 4) {
    display: none !important;
  }

  .product-home-card,
  .case-list article,
  .case-data-grid article,
  .knowledge-card,
  .quick-match-card,
  .service-grid article,
  .detail-card,
  .spec-table-card {
    padding: 18px;
  }
}
/* Keep decorative tile layers visible while preserving text legibility. */
.brand-logo-grid article > *,
.product-home-card > *,
.case-list article > *,
.case-data-grid article > *,
.knowledge-card > *,
.quick-match-card > *,
.product-filter-card > *,
.detail-card > *,
.spec-table-card > *,
.contact-form > *,
.amap-card > * {
  position: relative;
  z-index: 1;
}

.brand-logo-grid article::after,
.product-home-card::after,
.case-list article::after,
.case-data-grid article::after,
.knowledge-card::after,
.quick-match-card::after,
.product-filter-card::after,
.detail-card::after,
.spec-table-card::after,
.contact-form::after,
.amap-card::after,
.product-home-card::before {
  z-index: 0;
}

/* Product search states and combined filter controls */
.product-search-results.product-search-results-floating .search-status {
  color: var(--muted);
  font-weight: 800;
}

.product-filter-grid.product-filter-grid-single {
  grid-template-columns: 1fr;
}

.product-filter-card.combined-filter-card {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(220px, .85fr);
  gap: clamp(16px, 2.5vw, 26px);
  align-items: start;
  overflow: visible;
}

.combined-filter-card .filter-group {
  min-width: 0;
}

.combined-filter-card h2 {
  margin: 0 0 12px;
}

.category-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.category-tabs button {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid rgba(18, 100, 216, .14);
  border-radius: 8px;
  background: rgba(255, 255, 255, .92);
  color: var(--text);
  font: inherit;
  font-weight: 850;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(15, 36, 64, .05);
  transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

.category-tabs button strong {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: rgba(18, 100, 216, .1);
  color: var(--blue);
  font-size: 12px;
  line-height: 1;
}

.category-tabs button span {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

.category-tabs button.active,
.category-tabs button:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 100, 216, .42);
  background: linear-gradient(135deg, rgba(18, 100, 216, .1), rgba(255, 255, 255, .96));
  box-shadow: 0 16px 34px rgba(18, 100, 216, .12);
}

.manufacturer-tabs {
  margin-bottom: 0;
  align-content: start;
}

.product-page .product-search-results.product-search-results-floating {
  z-index: 1200;
}

@media (max-width: 900px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  }
}

@media (max-width: 560px) {
  .category-tabs {
    grid-template-columns: 1fr;
  }

  .manufacturer-tabs button {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
    padding-inline: 12px;
  }
}

/* Final home layout tightening and search overlay fixes */
.section {
  padding-top: clamp(42px, 5.8vw, 64px);
  padding-bottom: clamp(42px, 5.8vw, 64px);
}

.section-split {
  margin-bottom: clamp(18px, 2.4vw, 24px);
}

#products {
  overflow: visible;
}

#products .section-split {
  align-items: start;
}

#products .section-heading,
.product-search {
  overflow: visible;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: clamp(10px, 1.25vw, 14px);
}

.product-grid .product-home-card {
  display: block !important;
  min-height: clamp(150px, 15vw, 176px);
  padding: clamp(14px, 1.5vw, 20px);
}

.product-home-card h3 {
  min-height: auto;
  font-size: clamp(15px, 1.45vw, 18px);
}

.product-home-card p {
  font-size: clamp(12px, 1.1vw, 14px);
  -webkit-line-clamp: 3;
}

.product-search-results.product-search-results-floating {
  position: fixed !important;
  z-index: 2147483000 !important;
  max-width: calc(100vw - 24px);
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.article-generated-time {
  font-size: 14px;
  color: var(--muted);
  font-weight: 800;
}

@media (max-width: 980px) {
  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  .product-grid .product-home-card {
    display: block !important;
  }
}

@media (max-width: 760px) {
  .section {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .section:not(.soft):not(.hero),
  .product-page,
  .article-shell {
    width: min(100% - 24px, 1160px);
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px;
  }

  .product-home-card {
    min-height: 132px !important;
    padding: 12px !important;
  }

  .product-home-card > span {
    width: 28px;
    height: 28px;
    margin-bottom: 10px;
    font-size: 11px;
  }

  .product-home-card h3 {
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.25;
  }

  .product-home-card p {
    font-size: 12px;
    line-height: 1.42;
    -webkit-line-clamp: 2;
  }

  .product-search-results.product-search-results-floating {
    max-height: min(330px, 52vh) !important;
  }
}

@media (max-width: 380px) {
  .product-grid {
    gap: 8px;
  }

  .product-home-card {
    min-height: 124px !important;
  }
}


/* Product home cards must always expose all 8 categories. */
#products .product-grid .product-home-card,
#products .product-grid .product-home-card:nth-child(n + 5),
#products .product-grid .product-home-card:nth-child(n + 6) {
  display: block !important;
}
/* Mobile navigation contrast fix */
@media (max-width: 880px) {
  .site-header .nav-links,
  .site-header.scrolled .nav-links {
    border-color: rgba(255, 255, 255, 0.16);
    background: linear-gradient(135deg, rgba(7, 29, 63, 0.98), rgba(11, 63, 147, 0.96));
    box-shadow: 0 18px 42px rgba(7, 29, 63, 0.24);
  }

  .site-header .nav-links a,
  .site-header.scrolled .nav-links a {
    color: #ffffff;
  }

  .site-header .nav-links a:hover,
  .site-header .nav-links .nav-cta,
  .site-header.scrolled .nav-links a:hover,
  .site-header.scrolled .nav-links .nav-cta {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
  }
}

/* Product category card background imagery */
#products .product-home-card {
  --product-card-bg: url("/assets/optimized/sections__products-shelves-768.webp");
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.92));
}

#products .product-home-card::before {
  inset: 0;
  height: auto;
  opacity: 0.24;
  background: linear-gradient(135deg, rgba(7, 29, 63, 0.06), rgba(18, 100, 216, 0.2)), var(--product-card-bg) center / cover no-repeat;
  filter: saturate(0.94) contrast(0.96);
  transform: scale(1);
  transition: opacity 220ms ease, transform 420ms cubic-bezier(.2, .8, .2, 1), filter 220ms ease;
}

#products .product-home-card::after {
  opacity: 0.9;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 251, 255, 0.88) 50%, rgba(232, 242, 255, 0.66) 100%);
  -webkit-mask-image: none;
  mask-image: none;
}

#products .product-home-card:hover::before {
  opacity: 0.36;
  filter: saturate(1.02) contrast(1);
  transform: scale(1.035);
}

#products .product-home-card:hover::after {
  opacity: 0.82;
}

#products .product-home-card > span {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
/* Intro and capability section are a continuous company-strength band */
.intro-strength-lead,
.intro-strength-lead + .strength-after-intro {
  background: linear-gradient(180deg, rgba(246, 250, 255, 0.98), rgba(234, 243, 255, 0.82));
}

.intro-strength-lead {
  padding-bottom: clamp(28px, 3.4vw, 42px);
}

.intro-strength-lead::before,
.intro-strength-lead + .strength-after-intro::before {
  inset-block: 0;
  border-color: rgba(198, 213, 232, 0.26);
  background: linear-gradient(180deg, rgba(255,255,255,0.70), rgba(234,243,255,0.72));
  box-shadow: none;
}

.intro-strength-lead + .strength-after-intro {
  padding-top: clamp(18px, 2.4vw, 30px);
}

.strength-after-intro .strength-hero {
  margin-top: 0;
}

.strength-after-intro + .brand-strip {
  padding-top: clamp(42px, 5vw, 58px);
}

/* Team and vision standalone placeholder page */
.team-vision-page {
  padding-top: clamp(96px, 12vw, 132px);
}

.team-vision-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(22px, 4vw, 52px);
  align-items: stretch;
  overflow: hidden;
  min-height: min(620px, calc(100vh - 180px));
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid rgba(16, 45, 85, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.92)),
    radial-gradient(circle at 12% 12%, rgba(38, 119, 220, 0.16), transparent 34%);
  box-shadow: 0 22px 54px rgba(15, 46, 92, 0.12);
}

.team-vision-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(11, 63, 147, 0.08));
}

.team-vision-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.team-vision-copy h1 {
  margin: 10px 0 14px;
  color: var(--ink);
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
}

.team-vision-status {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 24px;
  padding: 10px 16px;
  border: 1px solid rgba(18, 100, 216, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--brand);
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(18, 100, 216, 0.10);
}

.team-vision-visual {
  position: relative;
  z-index: 1;
  overflow: hidden;
  min-height: 420px;
  margin: 0;
  border-radius: 8px;
  background: #dbe7f5;
}

.team-vision-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 24, 52, 0.36), rgba(18, 100, 216, 0.08) 44%, rgba(255, 255, 255, 0.10));
}

.team-vision-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
}

@media (max-width: 980px) {
  .team-vision-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .team-vision-visual {
    min-height: clamp(260px, 54vw, 420px);
  }
}

@media (max-width: 560px) {
  .team-vision-page {
    padding-top: 86px;
  }

  .team-vision-hero {
    padding: 18px;
  }

  .team-vision-copy h1 {
    font-size: clamp(34px, 12vw, 46px);
  }

  .team-vision-status {
    margin-bottom: 18px;
  }
}

/* Warehouse stock markers for matched in-stock products. */
.product-row,
.product-detail-hero {
  position: relative;
}

.product-row.in-stock-product {
  padding-top: 48px;
}

.stock-label,
.search-stock-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: linear-gradient(135deg, #df1f2d, #b60816);
  color: #fff;
  box-shadow: 0 8px 18px rgba(190, 12, 27, 0.18);
  letter-spacing: 0;
  white-space: nowrap;
}

.stock-label {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 900;
}

.detail-stock-label {
  top: 18px;
  left: 18px;
}

.in-stock-detail {
  padding-top: 58px;
}

.search-stock-label {
  margin-left: 8px;
  min-height: 20px;
  padding: 0 7px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 900;
  vertical-align: middle;
}

@media (max-width: 760px) {
  .product-row.in-stock-product {
    padding-top: 44px;
  }

  .stock-label {
    top: 10px;
    left: 10px;
    min-height: 24px;
    font-size: 12px;
  }

  .in-stock-detail {
    padding-top: 50px;
  }
}

/* Blue metal finish: subtle industrial texture without darkening the clean layout. */
:root {
  --metal-texture: url("/assets/ui/brushed-metal-blue.webp");
  --metal-glint: linear-gradient(115deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.08) 38%, rgba(18, 100, 216, 0.16) 74%, rgba(255, 255, 255, 0.32));
  --metal-surface: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 253, 0.94));
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(18, 100, 216, 0.075), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #f4f8fd 52%, #f7fbff 100%);
}

.soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 250, 255, 0.92)),
    radial-gradient(circle at 88% 18%, rgba(18, 100, 216, 0.08), transparent 26%);
}

.brand-logo-grid article,
.product-home-card,
.case-list article,
.case-data-grid article,
.knowledge-card,
.quick-match-card,
.knowledge-library-panel,
.service-grid article,
.product-filter-card,
.detail-card,
.spec-table-card,
.contact-form,
.amap-card,
.stock-proof-strip article,
.seo-keyword-grid article {
  background:
    var(--metal-surface),
    linear-gradient(180deg, rgba(255,255,255,0.86), rgba(239,246,255,0.68));
  border-color: rgba(24, 63, 105, 0.13);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -1px 0 rgba(18, 100, 216, 0.035),
    0 12px 30px rgba(15, 35, 62, 0.06);
}

.brand-logo-grid article::after,
.product-home-card::after,
.case-list article::after,
.case-data-grid article::after,
.knowledge-card::after,
.quick-match-card::after,
.product-filter-card::after,
.detail-card::after,
.spec-table-card::after,
.contact-form::after,
.amap-card::after,
.stock-proof-strip article::after,
.seo-keyword-grid article::after {
  opacity: 0.5;
  background-image:
    linear-gradient(135deg, rgba(255,255,255,0.46), rgba(18,100,216,0.06) 45%, transparent 72%),
    var(--metal-texture),
    var(--industrial-linework);
  background-size: auto, 520px 520px, 26px 26px, 26px 26px;
  background-position: center, center, 0 0, 0 0;
  mix-blend-mode: multiply;
}

.primary-btn,
.secondary-btn,
.contact-form button,
.amap-card a,
.map-actions a,
.brand-more summary,
.knowledge-more button,
.category-tabs button,
.manufacturer-tabs button,
.pagination button,
.pagination a {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: rgba(18, 100, 216, 0.18);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-btn,
.contact-form button,
.amap-card a,
.map-actions a {
  background:
    var(--metal-glint),
    linear-gradient(135deg, #0e5dca 0%, #1264d8 46%, #083b8e 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    inset 0 -1px 0 rgba(2, 22, 55, 0.24),
    0 12px 28px rgba(18, 100, 216, 0.22);
}

.secondary-btn,
.brand-more summary,
.knowledge-more button,
.category-tabs button,
.manufacturer-tabs button,
.pagination button,
.pagination a {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96), rgba(238,246,255,0.92)),
    var(--metal-texture);
  background-size: auto, 420px 420px;
  color: var(--blue-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 8px 20px rgba(15, 35, 62, 0.045);
}

.primary-btn::after,
.secondary-btn::after,
.contact-form button::after,
.amap-card a::after,
.map-actions a::after,
.brand-more summary::after,
.knowledge-more button::after,
.category-tabs button::after,
.manufacturer-tabs button::after,
.pagination button::after,
.pagination a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.38;
  background:
    linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.72) 36%, transparent 54%),
    var(--metal-texture);
  background-size: auto, 360px 360px;
  transform: translateX(-26%);
  pointer-events: none;
}

.primary-btn:hover,
.secondary-btn:hover,
.contact-form button:hover,
.amap-card a:hover,
.map-actions a:hover,
.brand-more summary:hover,
.knowledge-more button:hover,
.category-tabs button:hover,
.manufacturer-tabs button:hover,
.pagination button:hover,
.pagination a:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 100, 216, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.74),
    0 14px 30px rgba(18, 100, 216, 0.16);
}

.model-badge,
.stock-label,
.product-home-card > span,
.case-data-grid span,
.knowledge-card span,
.quick-match-card > span,
.service-grid span {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.92), rgba(227,239,255,0.86)),
    var(--metal-texture);
  background-size: auto, 320px 320px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.78);
}

@media (prefers-reduced-motion: reduce) {
  .primary-btn,
  .secondary-btn,
  .contact-form button,
  .amap-card a,
  .map-actions a,
  .brand-more summary,
  .knowledge-more button,
  .category-tabs button,
  .manufacturer-tabs button,
  .pagination button,
  .pagination a {
    transition: none;
  }
}

/* Unified button finish with live blue CTA edge */
@property --cta-edge-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

@keyframes ctaEdgeRun {
  to {
    --cta-edge-angle: 360deg;
  }
}

.primary-btn,
.secondary-btn,
.contact-form button,
.amap-card a,
.map-actions a,
.brand-more summary,
.knowledge-more button,
.knowledge-category-tabs button,
.category-tabs a,
.manufacturer-tabs button,
.pagination button,
.pagination a,
.nav-links .nav-cta {
  -webkit-tap-highlight-color: transparent;
  letter-spacing: 0;
}

.primary-btn,
.secondary-btn,
.contact-form button,
.amap-card a,
.map-actions a,
.brand-more summary,
.knowledge-more button,
.pagination button,
.pagination a,
.nav-links .nav-cta {
  min-height: 46px;
  border-radius: 999px;
  padding-inline: clamp(16px, 2.4vw, 24px);
  font-weight: 850;
  line-height: 1.1;
}

.primary-btn,
.contact-form button,
.nav-links .nav-cta {
  --cta-edge-angle: 0deg;
  border: 2px solid transparent;
  color: #fff;
  background:
    var(--metal-glint) padding-box,
    linear-gradient(135deg, #8fc2ff 0%, #1f75df 36%, #0751ba 66%, #06377f 100%) padding-box,
    conic-gradient(
      from var(--cta-edge-angle),
      rgba(116, 188, 255, 0) 0deg,
      rgba(116, 188, 255, 0.12) 42deg,
      rgba(170, 222, 255, 0.95) 76deg,
      #0b73ff 104deg,
      rgba(116, 188, 255, 0.12) 132deg,
      rgba(116, 188, 255, 0) 176deg,
      rgba(116, 188, 255, 0) 360deg
    ) border-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.52),
    inset 0 -1px 0 rgba(2, 22, 55, 0.28),
    0 0 0 1px rgba(53, 145, 255, 0.18),
    0 13px 30px rgba(18, 100, 216, 0.24);
  animation: ctaEdgeRun 2.7s linear infinite;
}

.nav-links .nav-cta {
  min-height: 40px;
  padding-inline: 15px;
}

.secondary-btn,
.amap-card a,
.map-actions a,
.brand-more summary,
.knowledge-more button,
.pagination button,
.pagination a {
  border: 1px solid rgba(18, 100, 216, 0.18);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.98), rgba(235,244,255,0.94)) padding-box,
    var(--metal-texture);
  background-size: auto, 420px 420px;
  color: var(--blue-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 9px 22px rgba(15, 35, 62, 0.05);
}

.category-tabs button,
.knowledge-category-tabs button,
.manufacturer-tabs button,
.category-tabs a {
  border-color: rgba(18, 100, 216, 0.16);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.97), rgba(238,246,255,0.9)),
    var(--metal-texture);
  background-size: auto, 420px 420px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    0 10px 24px rgba(15, 35, 62, 0.045);
}

.primary-btn:hover,
.contact-form button:hover,
.nav-links .nav-cta:hover {
  transform: translateY(-1px);
  border-color: transparent;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.64),
    inset 0 -1px 0 rgba(2, 22, 55, 0.22),
    0 0 0 1px rgba(53, 145, 255, 0.24),
    0 16px 34px rgba(18, 100, 216, 0.28);
}

.secondary-btn:hover,
.amap-card a:hover,
.map-actions a:hover,
.brand-more summary:hover,
.knowledge-more button:hover,
.knowledge-category-tabs button:hover,
.category-tabs button:hover,
.category-tabs a:hover,
.manufacturer-tabs button:hover,
.pagination button:hover,
.pagination a:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 100, 216, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 14px 30px rgba(18, 100, 216, 0.14);
}

.contact-form button:disabled,
.pagination button:disabled {
  animation: none;
  opacity: 0.58;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 560px) {
  .primary-btn,
  .secondary-btn,
  .contact-form button,
  .amap-card a,
  .map-actions a,
  .knowledge-more button,
  .pagination button,
  .pagination a {
    min-height: 44px;
    padding-inline: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-btn,
  .contact-form button,
  .nav-links .nav-cta {
    animation: none;
  }
}

/* Standalone knowledge index page */
.qa-index-page {
  padding-top: 112px;
}

.qa-index-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(22px, 4vw, 46px);
  margin-bottom: 28px;
}

.qa-index-hero h1 {
  margin: 12px 0 16px;
  color: var(--ink);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.06;
  letter-spacing: 0;
}

.qa-index-hero p:not(.eyebrow) {
  max-width: 680px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.85;
}

.qa-index-visual {
  position: relative;
  min-height: 360px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(18, 100, 216, 0.16);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(8, 39, 86, 0.08), rgba(255,255,255,0.92));
  box-shadow: 0 22px 54px rgba(15, 35, 62, 0.12);
}

.qa-index-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(5, 25, 58, 0.18), rgba(18, 100, 216, 0.08) 45%, rgba(255,255,255,0.18));
  pointer-events: none;
}

.qa-index-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.qa-index-panel {
  padding: clamp(18px, 3vw, 30px);
}

.qa-index-tabs {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}


.qa-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.qa-index-card {
  min-height: 246px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.94), rgba(235,245,255,0.86)),
    url("/assets/optimized/sections__knowledge-operation-768.webp") right bottom / 58% auto no-repeat;
}

.qa-index-card h3 {
  margin: 14px 0 10px;
  font-size: 19px;
  line-height: 1.38;
}

.qa-index-card p {
  flex: 1 1 auto;
  margin: 0;
  color: var(--text);
  line-height: 1.75;
}

.qa-card-meta,
.qa-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.qa-card-meta span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(18, 100, 216, 0.1);
  color: var(--blue-dark);
  font-weight: 900;
}

.qa-card-meta em {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #d9232f;
  color: #fff;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(217, 35, 47, 0.22);
}

.qa-index-card.is-common {
  border-color: rgba(217, 35, 47, 0.28);
  box-shadow: 0 18px 42px rgba(18, 100, 216, 0.12), 0 0 0 1px rgba(217, 35, 47, 0.08);
}

.qa-card-footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.qa-card-footer small {
  min-width: 0;
  overflow-wrap: anywhere;
}

.qa-pagination {
  margin-top: 24px;
}

@media (max-width: 900px) {
  .qa-index-hero {
    grid-template-columns: 1fr;
  }

  .qa-index-visual,
  .qa-index-visual img {
    min-height: 280px;
  }
}

@media (max-width: 640px) {
  .qa-index-page {
    padding-top: 88px;
  }

  .qa-index-hero h1 {
    font-size: 32px;
  }

  .qa-index-grid {
    grid-template-columns: 1fr;
  }

  .qa-index-tabs {
    grid-template-columns: 1fr;
  }

  .qa-card-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Product page and contact layout refinements */
.hero-metrics {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.hero-metrics div {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.amap-card {
  min-width: 0;
}

.amap-card > div:first-child {
  flex: 1 1 260px;
  min-width: 0;
}

.map-actions {
  flex: 1 1 230px;
  min-width: 0;
  justify-content: flex-end;
}

.map-actions a,
.amap-card a {
  min-width: 0;
  max-width: 100%;
  white-space: normal;
  text-align: center;
  line-height: 1.25;
  padding: 8px 16px;
}

.map-actions a {
  flex: 1 1 138px;
}

.product-row.in-stock-product {
  padding-top: 20px;
}

.product-row .product-stock-label {
  position: static;
  grid-column: 1 / -1;
  justify-self: start;
  margin: 0 0 -4px;
}

.stock-label,
.search-stock-label {
  background: linear-gradient(135deg, #e12231, #b40716);
  color: #fff !important;
  font-weight: 900;
}

.search-stock-label {
  margin-left: 8px;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 6px;
  font-size: 11px;
  line-height: 1;
}

.pagination button {
  flex: 0 0 auto;
}

@media (max-width: 760px) {
  .product-row.in-stock-product {
    padding-top: 14px;
  }

  .product-row .product-stock-label {
    margin-bottom: -2px;
  }
}

@media (max-width: 640px) {
  .map-actions a,
  .amap-card a {
    flex-basis: 100%;
  }
}

/* Final responsive polish: metallic background, compact mobile proof strips, clearer product imagery. */
:root {
  --metal-bg:
    radial-gradient(circle at 18% 12%, rgba(18, 100, 216, 0.08), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(116, 147, 180, 0.10), transparent 30%),
    linear-gradient(135deg, #f7f9fc 0%, #eef3f8 38%, #fbfcfe 70%, #e8eef5 100%);
  --metal-panel:
    linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(239, 245, 252, 0.72));
}

body {
  background: var(--metal-bg);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.20) 1px, transparent 1px),
    linear-gradient(180deg, rgba(10, 38, 78, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 88%, transparent 100%);
}

.soft,
.brand-strip,
.strength-section {
  background: transparent;
}

.section:not(.hero) {
  position: relative;
}

.section:not(.hero)::before {
  content: "";
  position: absolute;
  inset: clamp(18px, 2vw, 28px) clamp(-18px, -1.5vw, -10px);
  z-index: -1;
  border: 1px solid rgba(163, 183, 207, 0.30);
  border-radius: 18px;
  background: var(--metal-panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.86), 0 22px 60px rgba(39, 58, 84, 0.06);
  pointer-events: none;
}


.section.soft::before {
  left: 0;
  right: 0;
  border-radius: 0;
}

.mobile-only-brand {
  display: none !important;
}

#products .product-home-card {
  color: #ffffff;
  background: #0b2347;
  border-color: rgba(116, 171, 255, 0.30);
  box-shadow: 0 16px 34px rgba(11, 35, 71, 0.14);
}

#products .product-home-card::before {
  opacity: 0.82;
  background: var(--product-card-bg) center / cover no-repeat;
  filter: saturate(1.06) contrast(1.06);
}

#products .product-home-card::after {
  opacity: 1;
  background:
    linear-gradient(180deg, rgba(6, 20, 44, 0.18), rgba(6, 20, 44, 0.88)),
    linear-gradient(135deg, rgba(18, 100, 216, 0.18), rgba(255,255,255,0.08));
  -webkit-mask-image: none;
  mask-image: none;
}

#products .product-home-card h3,
#products .product-home-card p {
  color: #ffffff;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

#products .product-home-card p {
  color: rgba(255, 255, 255, 0.84);
}

#products .product-home-card > span {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.20);
}

#products .product-home-card:hover::before {
  opacity: 0.96;
  filter: saturate(1.14) contrast(1.1);
}

.amap-card span {
  max-width: 100%;
}

@media (max-width: 760px) {
  .hero-metrics,
  .credential-panel,
  .stock-proof-strip,
  .case-list.compact-list {
    display: flex !important;
    grid-template-columns: none !important;
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding: 2px 2px 10px;
    margin-left: -2px;
    margin-right: -2px;
    -webkit-overflow-scrolling: touch;
  }

  .hero-metrics::-webkit-scrollbar,
  .credential-panel::-webkit-scrollbar,
  .stock-proof-strip::-webkit-scrollbar,
  .case-list.compact-list::-webkit-scrollbar {
    height: 5px;
  }

  .hero-metrics::-webkit-scrollbar-thumb,
  .credential-panel::-webkit-scrollbar-thumb,
  .stock-proof-strip::-webkit-scrollbar-thumb,
  .case-list.compact-list::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(18, 100, 216, 0.26);
  }

  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex: 0 0 min(78vw, 286px);
    min-height: 118px;
    scroll-snap-align: center;
  }

  .hero-metrics div[data-reveal="true"],
  .credential-panel div[data-reveal="true"],
  .stock-proof-strip article[data-reveal="true"],
  .case-list.compact-list article[data-reveal="true"] {
    transform: translateX(18px) translateY(8px) scale(0.985);
  }

  .hero-metrics div[data-reveal="true"]:nth-child(even),
  .credential-panel div[data-reveal="true"]:nth-child(even),
  .stock-proof-strip article[data-reveal="true"]:nth-child(even),
  .case-list.compact-list article[data-reveal="true"]:nth-child(even) {
    transform: translateX(-18px) translateY(8px) scale(0.985);
  }

  .hero-metrics div[data-reveal="true"].is-visible,
  .credential-panel div[data-reveal="true"].is-visible,
  .stock-proof-strip article[data-reveal="true"].is-visible,
  .case-list.compact-list article[data-reveal="true"].is-visible {
    transform: translateX(0) translateY(0) scale(1);
  }

  .brand-logo-grid.featured-brands {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .featured-brands article:nth-child(4) {
    display: none !important;
  }

  .featured-brands article:nth-child(5) {
    display: flex !important;
  }

  .brand-logo-grid-small .mobile-only-brand {
    display: flex !important;
  }

  .contact > .amap-card,
  .amap-card {
    gap: 10px;
    margin-top: 8px !important;
    padding: 14px;
    min-height: 0;
  }

  .amap-card > div:first-child {
    flex: 0 1 auto;
  }

  .amap-card strong {
    font-size: 16px;
  }

  .amap-card span {
    margin-top: 4px;
    font-size: 13px;
    line-height: 1.45;
  }

  .map-actions {
    flex: 0 1 auto;
    gap: 8px;
  }

  .map-actions a,
  .amap-card a {
    flex: 1 1 calc(50% - 8px) !important;
    min-height: 38px;
    padding: 7px 10px;
    font-size: 13px;
  }

  .section:not(.hero)::before {
    inset: 12px -8px;
    border-radius: 14px;
  }
}

@media (max-width: 420px) {
  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex-basis: 84vw;
  }

  .map-actions a,
  .amap-card a {
    flex-basis: 100% !important;
  }
}
/* 2026-06-28 mobile compact auto-flow strips and product-card image coverage. */
#products .product-grid {
  align-items: stretch;
}

#products .product-home-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background: #08234a;
}

#products .product-home-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  height: auto;
  opacity: 0.86;
  background-image: var(--product-card-bg-set, var(--product-card-bg));
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  filter: saturate(1.08) contrast(1.08);
  transform: scale(1.01);
  transition: opacity 260ms ease, transform 520ms cubic-bezier(.2, .8, .2, 1), filter 260ms ease;
}

#products .product-home-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 1;
  background:
    linear-gradient(180deg, rgba(4, 18, 42, 0.16) 0%, rgba(4, 18, 42, 0.70) 58%, rgba(4, 18, 42, 0.92) 100%),
    linear-gradient(135deg, rgba(30, 111, 230, 0.22), rgba(255, 255, 255, 0.06));
  -webkit-mask-image: none;
  mask-image: none;
}

#products .product-home-card:hover::before {
  opacity: 0.98;
  filter: saturate(1.16) contrast(1.12);
  transform: scale(1.045);
}

#products .product-home-card h3,
#products .product-home-card p,
#products .product-home-card > span {
  color: #fff;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.42);
}

#products .product-home-card p {
  color: rgba(255, 255, 255, 0.88);
}

#products .product-home-card > span {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.28);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

@media (max-width: 760px) {
  .hero-metrics,
  .credential-panel,
  .stock-proof-strip,
  .case-list.compact-list {
    display: flex !important;
    grid-template-columns: none !important;
    gap: 8px !important;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 0 8px !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    scroll-snap-type: none;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .hero-metrics.mobile-auto-marquee,
  .credential-panel.mobile-auto-marquee,
  .stock-proof-strip.mobile-auto-marquee,
  .case-list.compact-list.mobile-auto-marquee {
    scroll-behavior: auto;
  }

  .hero-metrics::-webkit-scrollbar,
  .credential-panel::-webkit-scrollbar,
  .stock-proof-strip::-webkit-scrollbar,
  .case-list.compact-list::-webkit-scrollbar {
    display: none;
  }

  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex: 0 0 clamp(158px, 56vw, 224px) !important;
    min-width: 0;
    min-height: 104px !important;
    padding: 14px !important;
    scroll-snap-align: none;
  }

  .hero-metrics div {
    flex-basis: clamp(148px, 48vw, 204px) !important;
    min-height: 92px !important;
  }

  .credential-panel div {
    flex-basis: clamp(154px, 52vw, 216px) !important;
  }

  .stock-proof-strip article,
  .case-list.compact-list article {
    flex-basis: clamp(178px, 62vw, 236px) !important;
  }

  #products .product-grid {
    gap: 10px;
  }

  #products .product-home-card {
    min-height: 148px !important;
    padding: 14px !important;
  }

  #products .product-home-card::before {
    background-position: center;
    background-size: cover;
  }
}

@media (max-width: 420px) {
  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex-basis: clamp(150px, 60vw, 210px) !important;
  }

  .hero-metrics div {
    flex-basis: clamp(142px, 49vw, 190px) !important;
  }
}
/* 2026-06-28 in-stock marquee labels and Apple-like desktop tile hover. */
@keyframes stockMarqueeBorder {
  0% { background-position: 0% 50%; }
  100% { background-position: 220% 50%; }
}

.stock-label,
.search-stock-label {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid transparent !important;
  background: linear-gradient(135deg, #e51d2d, #a90614) padding-box !important;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(190, 12, 27, 0.22), inset 0 1px 0 rgba(255,255,255,0.22);
}

.stock-label::before,
.search-stock-label::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(90deg, #ff2438 0%, #ffffff 18%, #ff8a92 32%, #b50614 50%, #ff2438 70%, #ffffff 88%, #ff2438 100%);
  background-size: 220% 100%;
  animation: stockMarqueeBorder 1.45s linear infinite;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.stock-label::after,
.search-stock-label::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -45%;
  z-index: 1;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: skewX(-18deg);
  animation: stockLabelGlint 2.8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes stockLabelGlint {
  0%, 42% { left: -48%; opacity: 0; }
  55% { opacity: 1; }
  78%, 100% { left: 112%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .stock-label::before,
  .search-stock-label::before,
  .stock-label::after,
  .search-stock-label::after {
    animation: none !important;
  }
}

@media (min-width: 900px) and (hover: hover) and (pointer: fine) {
  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  #products .product-home-card,
  #solutions .case-list article,
  #solutions .case-data-grid article,
  #solutions .delivery-card,
  .knowledge-hub .quick-match-card,
  .knowledge-hub .knowledge-card {
    transform-origin: center;
    transition:
      transform 520ms cubic-bezier(.2, .8, .2, 1),
      box-shadow 520ms cubic-bezier(.2, .8, .2, 1),
      border-color 360ms ease,
      filter 360ms ease;
    will-change: transform;
  }

  .hero-metrics div:hover,
  .credential-panel div:hover,
  .stock-proof-strip article:hover,
  #products .product-home-card:hover,
  #solutions .case-list article:hover,
  #solutions .case-data-grid article:hover,
  #solutions .delivery-card:hover,
  .knowledge-hub .quick-match-card:hover,
  .knowledge-hub .knowledge-card:hover {
    transform: translateY(-6px) scale(1.018);
    border-color: rgba(18, 100, 216, 0.28);
    box-shadow: 0 24px 58px rgba(9, 33, 72, 0.16);
    filter: saturate(1.03);
  }

  #products .product-home-card:hover {
    transform: translateY(-7px) scale(1.022);
    box-shadow: 0 28px 64px rgba(8, 35, 74, 0.22);
  }
}

/* 2026-06-28 SEO/procurement UX pass: product center as a procurement tool and GEO entry points. */
.product-filter-card.combined-filter-card {
  grid-template-columns: minmax(180px, .72fr) minmax(220px, .9fr) minmax(0, 1.55fr) minmax(220px, .85fr);
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,247,255,.92)),
    var(--metal-texture);
}

.product-procurement-head {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 10px;
  min-width: 0;
  padding: clamp(14px, 2vw, 20px);
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(5, 39, 91, .96), rgba(18, 100, 216, .84)),
    var(--metal-texture);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.24), 0 14px 28px rgba(7, 45, 105, .18);
}

.product-procurement-head span {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(221, 238, 255, .92);
}

.product-procurement-head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255,255,255,.88);
}

.product-toolbar-search .product-search {
  margin-top: 0;
  max-width: none;
}

.product-toolbar-search .product-search input {
  min-height: 48px;
  border-color: rgba(18, 100, 216, .24);
  background: rgba(255,255,255,.96);
}

.seo-entry-section {
  position: relative;
  overflow: hidden;
}

.seo-entry-section::after {
  content: "";
  position: absolute;
  inset: auto 5% 8% auto;
  width: min(420px, 52vw);
  aspect-ratio: 1;
  opacity: .18;
  pointer-events: none;
  background: radial-gradient(circle, rgba(18, 100, 216, .35), transparent 68%);
  filter: blur(12px);
}

.geo-entry-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.geo-entry-grid article {
  display: grid;
  gap: 10px;
  min-height: 210px;
  border-radius: 8px;
}

.geo-entry-grid article span {
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 900;
  color: #0b4da2;
  background: rgba(18, 100, 216, .1);
}

.geo-entry-grid article h3 {
  margin: 0;
  color: var(--blue-dark);
}

.geo-entry-grid article p {
  margin: 0;
  color: var(--muted);
}

.geo-entry-grid article a {
  align-self: end;
  width: fit-content;
  color: var(--blue);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 1180px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: 1fr 1fr;
  }

  .product-procurement-head,
  .product-toolbar-search {
    grid-column: span 1;
  }

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

@media (max-width: 720px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: 1fr;
  }

  .product-procurement-head,
  .product-toolbar-search {
    grid-column: auto;
  }

  .geo-entry-grid {
    grid-template-columns: 1fr;
  }

  .geo-entry-grid article {
    min-height: 0;
  }
}
/* 2026-06-28 hero video background: responsive industrial motion layer. */
.hero.hero-video-shell {
  isolation: isolate;
  overflow: hidden;
  background: #081f43;
}

.hero.hero-video-shell::before {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(247, 251, 255, .98) 0%, rgba(247, 251, 255, .9) 34%, rgba(8, 31, 67, .38) 70%, rgba(8, 31, 67, .2) 100%),
    radial-gradient(circle at 18% 26%, rgba(255,255,255,.72), transparent 34%);
}

.hero.hero-video-shell::after {
  z-index: -1;
  height: 100%;
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 62%, rgba(255,255,255,.95) 100%),
    linear-gradient(90deg, rgba(255,255,255,.16), rgba(18,100,216,.1) 48%, rgba(5,24,55,.22));
  pointer-events: none;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  object-fit: cover;
  object-position: 62% 50%;
  opacity: .72;
  filter: saturate(.96) contrast(1.05) brightness(.92);
  transform: translate3d(0, var(--hero-shift, 0px), 0) scale(1.03);
  pointer-events: none;
}

.hero-video-shell .hero-copy-wrap {
  position: relative;
  z-index: 1;
  padding: clamp(18px, 2.6vw, 32px);
  margin-left: clamp(-18px, -1.8vw, 0px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.82), rgba(241,247,255,.62)),
    linear-gradient(135deg, rgba(255,255,255,.5), rgba(18,100,216,.08));
  border: 1px solid rgba(255,255,255,.62);
  box-shadow: 0 18px 44px rgba(7, 31, 67, .1);
  backdrop-filter: blur(10px);
}

.hero-video-shell .hero-visual {
  display: block;
  min-height: clamp(300px, 38vw, 520px);
  opacity: 0;
  pointer-events: none;
}

.hero-video-shell .hero-metrics {
  position: relative;
  z-index: 1;
}

.hero-video-shell .hero-metrics div {
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
}

@media (min-width: 1280px) {
  .hero-bg-video {
    object-position: 68% 50%;
  }
}

@media (max-width: 980px) {
  .hero.hero-video-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "metrics";
    align-content: end;
    min-height: min(860px, calc(100vh - 58px));
    padding-top: 92px;
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.98) 0%, rgba(247,251,255,.88) 43%, rgba(6,26,61,.38) 100%),
      linear-gradient(90deg, rgba(247,251,255,.9), rgba(247,251,255,.42));
  }

  .hero-bg-video {
    object-position: 58% 50%;
    opacity: .58;
    transform: scale(1.05);
  }

  .hero-video-shell .hero-copy-wrap {
    max-width: 720px;
    margin-left: 0;
  }

  .hero-video-shell .hero-visual {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero.hero-video-shell {
    width: 100%;
    min-height: 100svh;
    padding: 86px 16px 30px;
    gap: 18px;
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.98) 0%, rgba(247,251,255,.94) 45%, rgba(247,251,255,.75) 72%, rgba(6,26,61,.38) 100%);
  }

  .hero.hero-video-shell::after {
    background:
      linear-gradient(180deg, rgba(255,255,255,0) 54%, rgba(255,255,255,.96) 100%),
      linear-gradient(180deg, rgba(255,255,255,.14), rgba(8,31,67,.22));
  }

  .hero-bg-video {
    object-position: 50% center;
    opacity: .5;
    filter: saturate(.88) contrast(1.04) brightness(.86);
  }

  .hero-video-shell .hero-copy-wrap {
    padding: 18px;
    background: rgba(255,255,255,.84);
    backdrop-filter: blur(12px);
  }

  .hero-video-shell .hero-copy {
    font-size: 15px;
  }

  .hero-video-shell .hero-actions {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg-video {
    display: none;
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,255,255,.62)),
      url("/assets/optimized/sections__hero-building-zhifan-1280.webp") right center / cover no-repeat;
  }
}
/* 2026-06-28 hero video readability pass: keep copy contrast without blocking the motion. */
.hero-video-shell .hero-copy-wrap {
  padding: 0;
  margin-left: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  text-shadow: 0 1px 0 rgba(255,255,255,.8), 0 18px 38px rgba(7,31,67,.14);
}

.hero-video-shell .hero-copy-wrap::before {
  content: "";
  position: absolute;
  inset: -28px -34px -24px -42px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 22% 42%, rgba(255,255,255,.82) 0%, rgba(255,255,255,.58) 38%, rgba(255,255,255,0) 72%),
    linear-gradient(90deg, rgba(255,255,255,.58), rgba(255,255,255,0));
  filter: blur(10px);
}

.hero-video-shell .eyebrow,
.hero-video-shell h1,
.hero-video-shell .hero-copy,
.hero-video-shell .founded-note,
.hero-video-shell .hero-actions {
  position: relative;
  z-index: 1;
}

.hero-video-shell h1 {
  max-width: 760px;
  color: #061b3d;
}

.hero-video-shell .hero-copy {
  color: #253349;
}

.hero-video-shell .founded-note {
  background: rgba(255,255,255,.58);
  backdrop-filter: blur(8px);
}

@media (max-width: 980px) {
  .hero-video-shell .hero-copy-wrap {
    max-width: min(720px, 100%);
  }

  .hero-video-shell .hero-copy-wrap::before {
    inset: -24px -22px -22px -22px;
    background:
      radial-gradient(ellipse at 28% 38%, rgba(255,255,255,.88) 0%, rgba(255,255,255,.62) 42%, rgba(255,255,255,0) 78%),
      linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,0));
  }
}

@media (max-width: 640px) {
  .hero-video-shell .hero-copy-wrap {
    padding: 0;
    background: transparent;
    backdrop-filter: none;
  }

  .hero-video-shell .hero-copy-wrap::before {
    inset: -18px -12px -18px -12px;
    opacity: .82;
    filter: blur(8px);
  }

  .hero-video-shell h1 {
    text-shadow: 0 1px 0 rgba(255,255,255,.88), 0 10px 24px rgba(7,31,67,.16);
  }
}
/* 2026-06-28 hero video max-quality pass: show source video with minimal tinting. */
.hero.hero-video-shell::before {
  background:
    linear-gradient(90deg, rgba(247,251,255,.9) 0%, rgba(247,251,255,.62) 31%, rgba(8,31,67,.12) 68%, rgba(8,31,67,.06) 100%),
    radial-gradient(circle at 18% 26%, rgba(255,255,255,.46), transparent 31%);
}

.hero.hero-video-shell::after {
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 70%, rgba(255,255,255,.9) 100%),
    linear-gradient(90deg, rgba(255,255,255,.06), rgba(18,100,216,.04) 48%, rgba(5,24,55,.08));
}

.hero-bg-video {
  opacity: .96;
  filter: none;
  inset: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
  transform: translate3d(0, var(--hero-shift, 0px), 0);
  backface-visibility: hidden;
}

.hero-video-shell .hero-copy-wrap::before {
  background:
    radial-gradient(ellipse at 22% 42%, rgba(255,255,255,.72) 0%, rgba(255,255,255,.42) 34%, rgba(255,255,255,0) 68%),
    linear-gradient(90deg, rgba(255,255,255,.38), rgba(255,255,255,0));
  filter: blur(8px);
}

@media (max-width: 980px) {
  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.92) 0%, rgba(247,251,255,.72) 40%, rgba(6,26,61,.12) 100%),
      linear-gradient(90deg, rgba(247,251,255,.72), rgba(247,251,255,.18));
  }

  .hero-bg-video {
    opacity: .82;
    filter: none;
    inset: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    transform: none;
  }
}

@media (max-width: 640px) {
  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.94) 0%, rgba(247,251,255,.78) 44%, rgba(247,251,255,.45) 72%, rgba(6,26,61,.12) 100%);
  }

  .hero.hero-video-shell::after {
    background:
      linear-gradient(180deg, rgba(255,255,255,0) 60%, rgba(255,255,255,.9) 100%),
      linear-gradient(180deg, rgba(255,255,255,.06), rgba(8,31,67,.1));
  }

  .hero-bg-video {
    opacity: .74;
    filter: none;
    inset: -2px;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    transform: none;
  }
}
/* 2026-06-28 stock gallery motion clips: keep warehouse videos visually integrated with the existing tile system. */
.stock-gallery figure {
  position: relative;
  background: linear-gradient(135deg, rgba(232, 240, 250, .92), rgba(255, 255, 255, .82));
}

.stock-gallery-video,
.stock-gallery video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.96) contrast(1.04) brightness(.94);
  transform: translateZ(0);
}

.stock-gallery figure::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(4, 25, 60, 0) 42%, rgba(4, 25, 60, .26) 100%),
    linear-gradient(90deg, rgba(18, 100, 216, .16), rgba(255, 255, 255, 0) 42%);
  mix-blend-mode: multiply;
}

.stock-gallery figure:hover .stock-gallery-video {
  filter: saturate(1.04) contrast(1.08) brightness(.98);
}

@media (max-width: 640px) {
  .stock-gallery-video,
  .stock-gallery video {
    min-height: 220px;
  }
}
/* 2026-06-29 Q&A article video backgrounds: rotate welding motion clips in article-photo-bg. */
.article-photo-bg {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(232, 240, 250, .94), rgba(255, 255, 255, .84));
}

.article-photo-video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.98) contrast(1.06) brightness(.9);
  transform: translateZ(0);
}

.article-photo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 24, 55, 0) 42%, rgba(5, 24, 55, .34) 100%),
    linear-gradient(90deg, rgba(18, 100, 216, .2), rgba(255, 255, 255, 0) 46%);
  mix-blend-mode: multiply;
}

@media (max-width: 760px) {
  .article-photo-video {
    min-height: 240px;
  }
}
/* Navigation, product-search submit mode, and mobile overflow hardening. */
.stock-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stock-filter-tabs button,
.search-result-meta button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(18, 100, 216, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--blue-dark);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.stock-filter-tabs button:hover,
.search-result-meta button:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 100, 216, 0.42);
}

.stock-filter-tabs button.active {
  border-color: rgba(18, 100, 216, 0.78);
  background: linear-gradient(135deg, #1264d8, #0b3f93);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(18, 100, 216, 0.18);
}

.search-result-meta {
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.article-nav-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: min(780px, 100%);
}

.article-nav-links a {
  white-space: normal;
}

@media (max-width: 880px) {
  .site-header .nav-links.open {
    max-height: calc(100svh - 76px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    align-content: flex-start;
  }

  .site-header .nav-links a {
    min-height: 42px;
    white-space: normal;
    line-height: 1.35;
    text-align: center;
  }
}

@media (max-width: 760px) {
  .article-page .site-header .nav {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }

  .article-page .article-nav-links {
    display: flex !important;
    position: static;
    width: 100%;
    max-height: none;
    padding: 10px 0 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    gap: 8px;
  }

  .article-page .article-nav-links a {
    flex: 1 1 calc(50% - 8px);
    min-height: 40px;
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
  }

  .article-page .article-nav-links .nav-cta {
    flex-basis: 100%;
  }

  .qa-index-hero,
  .qa-hero,
  .article-hero {
    grid-template-columns: 1fr !important;
    overflow: hidden;
  }

  .qa-index-hero h1,
  .qa-hero h1,
  .article-hero h1,
  .qa-index-tabs button span {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .qa-index-visual,
  .article-photo-bg,
  .article-hero figure {
    min-height: 220px;
  }

  .hero-metrics,
  .credential-panel,
  .stock-proof-strip,
  .case-list.compact-list {
    display: flex !important;
    grid-template-columns: none !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    touch-action: pan-x pan-y;
  }

  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex: 0 0 min(78vw, 286px) !important;
    scroll-snap-align: center;
  }

  .product-search-results-floating {
    max-width: calc(100vw - 24px);
    z-index: 99999;
  }
}

@media (max-width: 420px) {
  .article-page .article-nav-links a {
    flex-basis: 100%;
  }

  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex-basis: 82vw !important;
  }
}

/* Wider mobile/tablet fallback for real-device horizontal auto-flow strips. */
@media (max-width: 880px) {
  .hero-metrics,
  .credential-panel,
  .stock-proof-strip,
  .case-list.compact-list {
    display: flex !important;
    grid-template-columns: none !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    touch-action: pan-x pan-y;
  }

  .hero-metrics div,
  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex: 0 0 min(78vw, 286px) !important;
    scroll-snap-align: center;
  }
}

/* 2026-06-29 final hero/header pass: fixed header, lighter mobile video mask. */
:root {
  --site-header-height: 72px;
}

body {
  padding-top: var(--site-header-height);
}

.site-header,
.article-page .site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 2147482000 !important;
  transform: translateZ(0);
}

.hero.hero-video-shell {
  margin-top: calc(var(--site-header-height) * -1);
  padding-top: calc(var(--site-header-height) + clamp(56px, 8vw, 96px));
}

.hero.hero-video-shell::before {
  background:
    linear-gradient(90deg, rgba(247,251,255,.76) 0%, rgba(247,251,255,.42) 30%, rgba(8,31,67,.08) 70%, rgba(8,31,67,.04) 100%),
    radial-gradient(circle at 18% 28%, rgba(255,255,255,.30), transparent 30%);
}

.hero.hero-video-shell::after {
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 74%, rgba(255,255,255,.74) 100%),
    linear-gradient(90deg, rgba(255,255,255,.03), rgba(18,100,216,.025) 48%, rgba(5,24,55,.045));
}

.hero-bg-video {
  opacity: 1;
  filter: saturate(1.02) contrast(1.02) brightness(.98);
}

.hero-video-shell .hero-copy-wrap::before {
  inset: -22px -26px -20px -28px;
  opacity: .72;
  background:
    radial-gradient(ellipse at 24% 44%, rgba(255,255,255,.68) 0%, rgba(255,255,255,.38) 34%, rgba(255,255,255,0) 68%),
    linear-gradient(90deg, rgba(255,255,255,.30), rgba(255,255,255,0));
}

@media (max-width: 980px) {
  .hero.hero-video-shell {
    min-height: min(860px, calc(100svh + var(--site-header-height)));
    padding-top: calc(var(--site-header-height) + 72px);
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.62) 0%, rgba(247,251,255,.36) 40%, rgba(6,26,61,.08) 100%),
      linear-gradient(90deg, rgba(247,251,255,.42), rgba(247,251,255,.06));
  }

  .hero.hero-video-shell::after {
    background:
      linear-gradient(180deg, rgba(255,255,255,0) 70%, rgba(255,255,255,.70) 100%),
      linear-gradient(180deg, rgba(255,255,255,.025), rgba(8,31,67,.055));
  }

  .hero-bg-video {
    opacity: .94;
    object-position: 52% center;
    filter: saturate(1.02) contrast(1.03) brightness(.96);
  }

  .hero-video-shell .hero-copy-wrap::before {
    inset: -18px -14px -16px -14px;
    opacity: .78;
    background:
      radial-gradient(ellipse at 28% 42%, rgba(255,255,255,.70) 0%, rgba(255,255,255,.42) 38%, rgba(255,255,255,0) 74%),
      linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,255,255,0));
  }
}

@media (max-width: 640px) {
  :root {
    --site-header-height: 64px;
  }

  .nav {
    height: var(--site-header-height);
  }

  .hero.hero-video-shell {
    min-height: calc(100svh + var(--site-header-height));
    padding: calc(var(--site-header-height) + 54px) 16px 28px;
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(247,251,255,.46) 0%, rgba(247,251,255,.25) 42%, rgba(247,251,255,.14) 68%, rgba(6,26,61,.08) 100%);
  }

  .hero.hero-video-shell::after {
    background:
      linear-gradient(180deg, rgba(255,255,255,0) 66%, rgba(255,255,255,.64) 100%),
      linear-gradient(180deg, rgba(255,255,255,.018), rgba(8,31,67,.045));
  }

  .hero-bg-video {
    opacity: .92;
    object-position: 50% center;
    filter: saturate(1.04) contrast(1.04) brightness(.95);
  }

  .hero-video-shell .hero-copy-wrap::before {
    inset: -14px -10px -14px -10px;
    opacity: .68;
    filter: blur(7px);
    background:
      radial-gradient(ellipse at 30% 40%, rgba(255,255,255,.72) 0%, rgba(255,255,255,.44) 42%, rgba(255,255,255,0) 76%);
  }

  .hero-video-shell h1,
  .hero-video-shell .hero-copy,
  .hero-video-shell .eyebrow {
    text-shadow: 0 1px 0 rgba(255,255,255,.92), 0 10px 24px rgba(7,31,67,.18);
  }
}

/* 2026-06-29 product filter console layout: search first, filters second, no dead space. */
.product-filter-grid.product-filter-grid-single {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.product-filter-card.combined-filter-card {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(360px, 1.35fr) minmax(240px, .85fr);
  grid-template-areas:
    "intro intro intro"
    "search categories maker";
  gap: 14px;
  align-items: start;
}

.product-procurement-head {
  grid-area: intro;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 14px;
  align-items: center;
  margin-bottom: -2px;
}

.product-procurement-head p {
  margin: 0;
}

.product-toolbar-search {
  grid-area: search;
}

.combined-filter-card .filter-group:nth-of-type(2) {
  grid-area: categories;
}

.combined-filter-card .filter-group:nth-of-type(3) {
  grid-area: maker;
}

.combined-filter-card .filter-group:nth-of-type(4) {
  grid-area: maker;
  align-self: start;
  justify-self: stretch;
  min-width: 0;
  max-width: none;
}

.filter-group-title-row,
.product-search-control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.filter-group-title-row {
  justify-content: space-between;
  margin-bottom: 10px;
}

.filter-group-title-row h2 {
  margin: 0;
}

.product-search-control-row .product-search {
  flex: 1 1 auto;
  min-width: 0;
}

.filter-reset-btn {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(18, 100, 216, .24);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,247,255,.92));
  color: var(--blue-dark);
  font: inherit;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 10px 20px rgba(18,100,216,.08);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.filter-reset-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(18, 100, 216, .5);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 14px 26px rgba(18,100,216,.14);
}

.product-filter-card.combined-filter-card .category-tabs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-filter-card.combined-filter-card .manufacturer-tabs,
.product-filter-card.combined-filter-card .stock-filter-tabs {
  align-content: flex-start;
}

@media (max-width: 1180px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "intro"
      "search"
      "categories"
      "maker";
  }

  .combined-filter-card .filter-group:nth-of-type(4) {
    justify-self: stretch;
    max-width: none;
  }

  .product-filter-card.combined-filter-card .category-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .product-filter-card.combined-filter-card .category-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-group-title-row {
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .product-filter-card.combined-filter-card {
    gap: 10px;
    padding: 12px;
  }

  .product-procurement-head {
    padding: 14px;
  }

  .product-toolbar-search .product-search input {
    min-height: 44px;
  }

  .filter-group-title-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .filter-reset-btn {
    flex: 1 1 100%;
    width: 100%;
  }

  .product-filter-card.combined-filter-card .category-tabs {
    gap: 8px;
  }

  .product-filter-card.combined-filter-card .category-tabs button {
    min-height: 72px;
    padding: 10px 8px;
  }

  .product-filter-card.combined-filter-card .manufacturer-tabs button,
  .product-filter-card.combined-filter-card .stock-filter-tabs button {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
  }
}

.product-category-filter { grid-area: categories !important; }
.product-manufacturer-filter { grid-area: maker !important; }
.product-availability-filter {
  grid-area: maker !important;
  align-self: end;
  justify-self: end;
  min-width: min(320px, 100%);
  max-width: 360px;
}

@media (max-width: 1180px) {
  .product-availability-filter {
    justify-self: stretch;
    max-width: none;
  }
}

/* 2026-06-29 correction: unstack product filters into clear zones. */
.product-filter-card.combined-filter-card {
  grid-template-columns: minmax(240px, .55fr) minmax(0, 1.45fr) !important;
  grid-template-areas:
    "intro search"
    "categories categories"
    "manufacturer availability" !important;
  gap: clamp(16px, 2vw, 22px) !important;
  align-items: stretch;
}

.product-procurement-head {
  grid-area: intro !important;
  min-height: 128px;
}

.product-toolbar-search {
  grid-area: search !important;
  min-width: 0;
}

.product-category-filter {
  grid-area: categories !important;
  min-width: 0;
}

.product-manufacturer-filter {
  grid-area: manufacturer !important;
  min-width: 0;
}

.product-availability-filter {
  grid-area: availability !important;
  align-self: stretch !important;
  justify-self: stretch !important;
  min-width: 0 !important;
  max-width: none !important;
}

.product-filter-card.combined-filter-card .filter-group {
  min-width: 0;
  padding: clamp(14px, 1.8vw, 18px);
  border: 1px solid rgba(18, 100, 216, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72);
}

.product-filter-card.combined-filter-card .product-toolbar-search {
  display: grid;
  align-content: center;
}

.product-search-control-row {
  align-items: stretch;
}

.product-filter-card.combined-filter-card .category-tabs {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 12px !important;
}

.product-filter-card.combined-filter-card .category-tabs button {
  min-height: 88px;
}

.product-filter-card.combined-filter-card .manufacturer-tabs,
.product-filter-card.combined-filter-card .stock-filter-tabs {
  display: flex !important;
  flex-wrap: wrap;
  gap: 9px;
}

.product-filter-card.combined-filter-card .manufacturer-tabs button,
.product-filter-card.combined-filter-card .stock-filter-tabs button {
  min-width: max-content;
}

@media (max-width: 1080px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-areas:
      "intro"
      "search"
      "categories"
      "manufacturer"
      "availability" !important;
  }

  .product-procurement-head {
    min-height: 0;
  }

  .product-filter-card.combined-filter-card .category-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 760px) {
  .product-filter-card.combined-filter-card {
    padding: 12px !important;
    gap: 12px !important;
  }

  .product-filter-card.combined-filter-card .filter-group {
    padding: 12px;
  }

  .filter-group-title-row {
    flex-direction: column;
    align-items: stretch !important;
  }

  .filter-reset-btn {
    width: 100%;
  }

  .product-filter-card.combined-filter-card .category-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  .product-filter-card.combined-filter-card .category-tabs button {
    min-height: 74px;
  }

  .product-filter-card.combined-filter-card .manufacturer-tabs button,
  .product-filter-card.combined-filter-card .stock-filter-tabs button {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
    justify-content: center;
  }
}

@media (max-width: 380px) {
  .product-filter-card.combined-filter-card .category-tabs button {
    min-height: 68px;
    padding-inline: 6px;
  }
}

/* 2026-06-29 final product filter sizing: maker 2/3, availability 1/3, mobile reset safe. */
.product-filter-card.combined-filter-card {
  grid-template-columns: minmax(220px, 1fr) minmax(0, 1fr) minmax(260px, .72fr) !important;
  grid-template-areas:
    "intro search search"
    "categories categories categories"
    "manufacturer manufacturer availability" !important;
}

.product-manufacturer-filter {
  grid-area: manufacturer !important;
}

.product-availability-filter {
  grid-area: availability !important;
}

@media (max-width: 1080px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-areas:
      "intro"
      "search"
      "categories"
      "manufacturer"
      "availability" !important;
  }
}

@media (max-width: 880px) {
  .product-toolbar-search {
    min-width: 0;
    overflow: hidden;
  }

  .product-toolbar-search .filter-group-title-row {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    align-items: stretch !important;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .product-toolbar-search .filter-group-title-row h2 {
    min-width: 0;
    max-width: 100%;
  }

  .product-toolbar-search .filter-reset-btn {
    box-sizing: border-box;
    display: inline-flex;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    flex: 1 1 auto;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-inline: 12px;
  }
}

@media (max-width: 380px) {
  .product-toolbar-search .filter-reset-btn {
    min-height: 36px;
    font-size: 12px;
    padding-inline: 10px;
  }
}

/* 2026-06-29 desktop product page density tune: reduce hero and category filter whitespace. */
@media (min-width: 1081px) {
  .product-page {
    padding-top: 44px;
    padding-bottom: 64px;
  }

  .product-page-hero {
    gap: 24px;
    padding: 26px 28px;
    align-items: center;
  }

  .product-page-hero h1 {
    font-size: clamp(38px, 4.6vw, 62px);
    line-height: .98;
  }

  .product-page-hero > div > p:last-child {
    margin-top: 10px;
    font-size: 16px;
    line-height: 1.65;
  }

  .product-page-hero .breadcrumb {
    margin-bottom: 10px;
  }

  .product-browser {
    margin-top: 18px;
    padding: 20px;
  }

  .product-filter-card.combined-filter-card {
    gap: 14px !important;
  }

  .product-filter-card.combined-filter-card .filter-group {
    padding: 12px 14px;
  }

  .product-category-filter h2 {
    margin-bottom: 10px;
  }

  .product-filter-card.combined-filter-card .category-tabs {
    gap: 9px !important;
  }

  .product-filter-card.combined-filter-card .category-tabs button {
    min-height: 72px;
    padding: 10px 12px;
  }
}

/* 2026-06-29 mobile hero video optimization: dedicated light mobile clip, full-screen fit, readable copy. */
@media (max-width: 820px) {
  .hero.hero-video-shell {
    min-height: calc(100svh + var(--site-header-height));
    padding: calc(var(--site-header-height) + 34px) 16px 24px;
    align-content: center;
    overflow: hidden;
  }

  .hero-bg-video {
    width: 100%;
    height: 100%;
    min-height: calc(100svh + var(--site-header-height));
    object-fit: cover;
    object-position: center center;
    opacity: 1;
    filter: saturate(1.08) contrast(1.08) brightness(1.02);
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(3, 18, 45, .28) 0%, rgba(3, 18, 45, .10) 38%, rgba(248, 252, 255, .20) 100%),
      linear-gradient(90deg, rgba(255, 255, 255, .40) 0%, rgba(255, 255, 255, .16) 46%, rgba(4, 24, 58, .16) 100%);
  }

  .hero.hero-video-shell::after {
    background:
      linear-gradient(180deg, rgba(255,255,255,0) 64%, rgba(255,255,255,.50) 100%);
  }

  .hero-video-shell .hero-copy-wrap {
    max-width: min(100%, 520px);
    padding: 18px 16px;
    border: 1px solid rgba(255, 255, 255, .56);
    border-radius: 8px;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, .82), rgba(234, 245, 255, .58)),
      linear-gradient(90deg, rgba(9, 50, 106, .18), rgba(255, 255, 255, 0));
    box-shadow: 0 18px 46px rgba(7, 31, 67, .18), inset 0 1px 0 rgba(255,255,255,.76);
    backdrop-filter: blur(8px) saturate(1.08);
  }

  .hero-video-shell .hero-copy-wrap::before {
    display: none;
  }

  .hero-video-shell h1 {
    color: #06224a;
    font-size: clamp(34px, 10vw, 48px);
    line-height: 1.04;
    text-shadow: 0 1px 0 rgba(255,255,255,.92), 0 12px 28px rgba(5, 24, 55, .18);
  }

  .hero-video-shell .hero-copy,
  .hero-video-shell .eyebrow,
  .hero-video-shell .founded-note {
    color: #17345d;
    text-shadow: 0 1px 0 rgba(255,255,255,.84);
  }

  .hero-video-shell .hero-actions {
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .hero.hero-video-shell {
    padding-inline: 12px;
  }

  .hero-video-shell .hero-copy-wrap {
    padding: 16px 14px;
  }
}

/* 2026-06-29 temporary hide knowledge hero and quick match blocks. */
.knowledge-hub-hero,
.quick-match-grid {
  display: none !important;
}

/* 2026-06-29 final polish: product filter span, tighter product hero, lighter mobile hero copy, article nav hamburger restore. */
@media (min-width: 1081px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: minmax(230px, .72fr) minmax(0, 1fr) minmax(280px, .62fr) !important;
    grid-template-areas:
      "intro search availability"
      "categories categories categories"
      "manufacturer manufacturer manufacturer" !important;
    gap: 12px !important;
  }

  .product-manufacturer-filter {
    grid-area: manufacturer !important;
  }

  .product-availability-filter {
    grid-area: availability !important;
  }

  .product-filter-card.combined-filter-card .product-manufacturer-filter {
    width: 100%;
  }

  .product-filter-card.combined-filter-card .product-manufacturer-filter .manufacturer-tabs {
    margin-bottom: 0;
  }

  .product-page {
    padding-top: 34px;
    padding-bottom: 54px;
  }

  .product-page-hero {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 18px;
    padding: 18px 22px;
    align-items: center;
  }

  .product-page-hero h1 {
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1;
    margin-block: 4px 0;
  }

  .product-page-hero > div > p:last-child {
    margin-top: 8px;
    font-size: 15px;
    line-height: 1.55;
  }

  .product-page-hero .breadcrumb {
    margin-bottom: 6px;
  }

  .product-page-hero .eyebrow {
    margin-bottom: 4px;
  }

  .product-page-actions {
    gap: 8px;
  }

  .product-page-hero .product-search {
    grid-column: 1 / -1;
    margin-top: 2px;
  }
}

@media (max-width: 820px) {
  .hero-video-shell .hero-copy-wrap {
    background:
      linear-gradient(135deg, rgba(255, 255, 255, .58), rgba(234, 245, 255, .28)),
      linear-gradient(90deg, rgba(8, 39, 89, .22), rgba(255, 255, 255, 0));
    border-color: rgba(255, 255, 255, .38);
    box-shadow: 0 14px 34px rgba(7, 31, 67, .14), inset 0 1px 0 rgba(255,255,255,.52);
    backdrop-filter: blur(3px) saturate(1.05);
  }

  .hero.hero-video-shell::before {
    background:
      linear-gradient(180deg, rgba(3, 18, 45, .18) 0%, rgba(3, 18, 45, .06) 42%, rgba(248, 252, 255, .10) 100%),
      linear-gradient(90deg, rgba(255, 255, 255, .22) 0%, rgba(255, 255, 255, .05) 48%, rgba(4, 24, 58, .12) 100%);
  }

  .hero-video-shell h1,
  .hero-video-shell .hero-copy,
  .hero-video-shell .eyebrow,
  .hero-video-shell .founded-note {
    text-shadow: 0 1px 0 rgba(255,255,255,.96), 0 10px 26px rgba(4, 24, 55, .32);
  }
}

@media (max-width: 760px) {
  .article-page .site-header .nav {
    align-items: center;
    flex-wrap: nowrap;
    gap: 12px;
  }

  .article-page .site-header .menu-toggle {
    display: inline-flex !important;
    flex: 0 0 auto;
  }

  .article-page .site-header .nav-links {
    display: none !important;
    position: fixed !important;
    top: var(--site-header-height);
    left: 12px;
    right: 12px;
    width: auto;
    max-height: calc(100svh - var(--site-header-height) - 18px);
    overflow-y: auto;
    padding: 14px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(6,31,70,.98), rgba(9,55,120,.96));
    box-shadow: 0 18px 44px rgba(3, 18, 45, .30);
    z-index: 2147482001;
  }

  .article-page .site-header .nav-links.open {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .article-page .site-header .nav-links a {
    display: flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 9px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .10);
    color: #ffffff !important;
    text-align: center;
  }

  .article-page .site-header .nav-links .nav-cta {
    background: linear-gradient(135deg, #ffffff, #dcecff);
    color: #06326d !important;
  }
}

/* 2026-06-29 correction: desktop maker filter spans left two grids, stock stays right one grid. */
@media (min-width: 1081px) {
  .product-filter-card.combined-filter-card {
    grid-template-columns: minmax(220px, 1fr) minmax(0, 1fr) minmax(260px, .72fr) !important;
    grid-template-areas:
      "intro search search"
      "categories categories categories"
      "manufacturer manufacturer availability" !important;
  }

  .product-manufacturer-filter {
    grid-area: manufacturer !important;
  }

  .product-availability-filter {
    grid-area: availability !important;
  }
}

.hero-bg-video.video-fallback {
  opacity: .72;
}


/* Q&A designated highlights and content protection */
.knowledge-card.is-designated-purple,
.qa-index-card.is-designated-purple {
  border-color: rgba(133, 70, 255, 0.62);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(246, 241, 255, 0.92)),
    url("/assets/optimized/sections__knowledge-operation-768.webp") right bottom / 58% auto no-repeat;
  box-shadow: 0 18px 42px rgba(92, 44, 180, 0.16), 0 0 0 1px rgba(133, 70, 255, 0.18);
}
.knowledge-card.is-designated-purple::before,
.qa-designated-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(90deg, transparent, rgba(133, 70, 255, 0.95), rgba(218, 179, 255, 0.9), transparent);
  background-size: 260% 100%;
  animation: purple-marquee-border 3.8s linear infinite;
  pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.knowledge-card .designated-label,
.qa-card-meta .designated-label {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #6d35d6, #a45cff);
  color: #fff;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(109, 53, 214, 0.25);
}
.qa-designated-card {
  position: relative;
  overflow: hidden;
  border-color: rgba(133, 70, 255, 0.38);
  box-shadow: 0 16px 38px rgba(92, 44, 180, 0.12);
}
.qa-designated-hero {
  align-items: center;
  gap: clamp(22px, 4vw, 34px);
}
.qa-designated-hero > div {
  min-width: 0;
}
.qa-designated-hero .eyebrow {
  margin-bottom: 10px;
}
.qa-designated-hero h1 {
  margin: 10px 0 12px;
  line-height: 1.12;
}
.qa-designated-hero .article-generated-time {
  margin-top: 14px;
}
.qa-designated-hero .article-photo-bg {
  justify-self: stretch;
}
.qa-designated-card span,
.qa-designated-note strong {
  background: rgba(133, 70, 255, 0.12);
  color: #5c2cb4;
}
.protected-content-page,
.protected-content-page * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
.protected-content-page input,
.protected-content-page textarea,
.protected-content-page select,
.protected-content-page button {
  -webkit-user-select: auto;
  user-select: auto;
}
.protected-content-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  pointer-events: none;
  background-image: repeating-linear-gradient(-24deg, rgba(18, 100, 216, 0) 0 76px, rgba(18, 100, 216, 0.035) 76px 77px, rgba(18, 100, 216, 0) 77px 152px);
}
.protected-content-page::after {
  content: "宁波志凡焊材";
  position: fixed;
  inset: -12vh -12vw;
  z-index: 2147483001;
  pointer-events: none;
  display: grid;
  place-items: center;
  color: rgba(12, 44, 86, 0.115);
  font-size: clamp(30px, 5vw, 70px);
  font-weight: 900;
  letter-spacing: 0.18em;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.34);
  transform: rotate(-24deg);
}
@keyframes purple-marquee-border {
  from { background-position: 0% 50%; }
  to { background-position: 260% 50%; }
}
@media (prefers-reduced-motion: reduce) {
  .knowledge-card.is-designated-purple::before,
  .qa-designated-card::before {
    animation: none;
  }
}

/* Compact mobile hero metrics: keep all three metrics visible without wide blank cards. */
@media (max-width: 760px) {
  .hero-metrics {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    width: 100%;
    gap: 8px !important;
    overflow: visible !important;
    scroll-snap-type: none !important;
    padding: 0 !important;
  }

  .hero-metrics div {
    flex: none !important;
    min-width: 0 !important;
    min-height: 0 !important;
    padding: 10px 8px !important;
    border-radius: 12px;
    text-align: center;
    scroll-snap-align: none !important;
  }

  .hero-metrics dt {
    font-size: clamp(18px, 5.2vw, 22px);
    line-height: 1.08;
  }

  .hero-metrics dd {
    margin-top: 5px;
    font-size: 12px;
    line-height: 1.35;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 380px) {
  .hero-metrics {
    gap: 6px !important;
  }

  .hero-metrics div {
    padding: 8px 5px !important;
  }

  .hero-metrics dd {
    font-size: 11px;
  }
}

/* Compact mobile horizontal strips: prevent oversized marquee cards on phone. */
@media (max-width: 760px) {
  .credential-panel,
  .stock-proof-strip,
  .case-list.compact-list {
    display: grid !important;
    width: 100%;
    overflow: visible !important;
    overflow-x: visible !important;
    scroll-snap-type: none !important;
    padding: 0 !important;
  }

  .credential-panel.mobile-auto-marquee,
  .stock-proof-strip.mobile-auto-marquee,
  .case-list.compact-list.mobile-auto-marquee {
    scroll-behavior: auto;
  }

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

  .stock-proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }

  .case-list.compact-list {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .credential-panel div,
  .stock-proof-strip article,
  .case-list.compact-list article {
    flex: none !important;
    flex-basis: auto !important;
    min-width: 0 !important;
    min-height: 0 !important;
    scroll-snap-align: none !important;
  }

  .credential-panel div,
  .stock-proof-strip article {
    padding: 12px 10px !important;
    border-radius: 12px;
  }

  .case-list.compact-list article {
    padding: 14px !important;
  }

  .credential-panel strong {
    font-size: clamp(22px, 6vw, 28px);
  }

  .credential-panel span,
  .stock-proof-strip span,
  .case-list.compact-list p {
    font-size: 12px;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 380px) {
  .credential-panel,
  .stock-proof-strip {
    gap: 6px !important;
  }

  .credential-panel div,
  .stock-proof-strip article {
    padding: 10px 7px !important;
  }

  .credential-panel span,
  .stock-proof-strip span,
  .case-list.compact-list p {
    font-size: 11px;
  }
}

/* 2026-07-02 product-grid tile full-bleed responsive backgrounds. */
#products .product-grid {
  align-items: stretch;
  grid-auto-rows: 1fr;
}

#products .product-grid .product-home-card,
#products .product-grid .product-home-card.is-visible {
  display: flex !important;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(178px, 15vw, 218px);
  overflow: hidden;
  isolation: isolate;
  background: #061a3d;
}

#products .product-grid .product-home-card::before,
#products .product-grid .product-home-card.is-visible::before {
  content: "";
  position: absolute;
  inset: -1px;
  width: auto;
  height: auto;
  z-index: -2;
  opacity: 0.94;
  background-image: var(--product-card-bg-set, var(--product-card-bg));
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  transform: scale(1.015);
}

#products .product-grid .product-home-card::after,
#products .product-grid .product-home-card.is-visible::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(4, 18, 42, 0.04) 0%, rgba(4, 18, 42, 0.34) 44%, rgba(4, 18, 42, 0.88) 100%),
    linear-gradient(135deg, rgba(18, 100, 216, 0.16), rgba(255, 255, 255, 0.04));
  -webkit-mask-image: none;
  mask-image: none;
}

@media (min-width: 1180px) {
  #products .product-grid .product-home-card,
  #products .product-grid .product-home-card.is-visible {
    min-height: 214px;
  }
}

@media (max-width: 760px) {
  #products .product-grid .product-home-card,
  #products .product-grid .product-home-card.is-visible {
    min-height: 156px !important;
    padding: 14px !important;
  }

  #products .product-grid .product-home-card::before,
  #products .product-grid .product-home-card.is-visible::before {
    background-position: center center;
    transform: scale(1.02);
  }
}

@media (max-width: 420px) {
  #products .product-grid .product-home-card,
  #products .product-grid .product-home-card.is-visible {
    min-height: 148px !important;
  }
}

/* 2026-07-04 mobile hero autoplay fallback: image carousel when video is blocked. */
.hero-fallback-gallery {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s ease;
  background: #dfeaf4;
}

.hero-fallback-gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transform: scale(1.035);
  animation: hero-fallback-cycle 15s linear infinite;
  animation-delay: calc(var(--fallback-index) * 5s);
}

.hero-video-fallback-active .hero-fallback-gallery {
  opacity: 1;
}

.hero-video-fallback-active .hero-bg-video,
.hero-bg-video.video-fallback {
  opacity: 0;
}

@keyframes hero-fallback-cycle {
  0% { opacity: 0; transform: scale(1.035); }
  5% { opacity: 1; }
  30% { opacity: 1; }
  38% { opacity: 0; transform: scale(1.08); }
  100% { opacity: 0; transform: scale(1.08); }
}

@media (max-width: 820px) {
  .hero-fallback-gallery img:first-child {
    object-position: 52% center;
  }

  .hero-fallback-gallery img:nth-child(2) {
    object-position: center center;
  }

  .hero-fallback-gallery img:nth-child(3) {
    object-position: 58% center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-fallback-gallery img {
    animation: none;
  }

  .hero-fallback-gallery img:first-child {
    opacity: 1;
    transform: none;
  }
}

/* 2026-07-04 mobile hero runtime fallback hardening: keep images visible until video truly paints. */
.hero.hero-video-shell .hero-fallback-gallery,
.hero.hero-video-shell .hero-bg-video {
  z-index: 0;
}

.hero.hero-video-shell .hero-fallback-gallery {
  opacity: 1;
}

.hero.hero-video-shell .hero-bg-video {
  opacity: 0;
}

.hero.hero-video-shell.hero-video-ready .hero-bg-video {
  opacity: 1;
}

.hero.hero-video-shell.hero-video-ready .hero-fallback-gallery {
  opacity: 0;
}

.hero.hero-video-shell.hero-video-fallback-active .hero-bg-video,
.hero.hero-video-shell .hero-bg-video.video-fallback {
  opacity: 0;
}

.hero.hero-video-shell .hero-copy-wrap,
.hero.hero-video-shell .hero-metrics {
  position: relative;
  z-index: 1;
}

@media (max-width: 820px) {
  .hero.hero-video-shell::before {
    z-index: 0;
    pointer-events: none;
  }

  .hero.hero-video-shell::after {
    z-index: 0;
    pointer-events: none;
  }

  .hero.hero-video-shell .hero-copy-wrap,
  .hero.hero-video-shell .hero-metrics {
    z-index: 2;
  }
}

/* 2026-07-04 mobile hero final fallback: mobile uses image carousel as the primary background. */
@media (max-width: 820px) {
  .hero.hero-video-shell,
  .hero.hero-video-shell.hero-video-ready,
  .hero.hero-video-shell.hero-video-fallback-active {
    background: #dfeaf4 !important;
  }

  .hero.hero-video-shell .hero-fallback-gallery,
  .hero.hero-video-shell.hero-video-ready .hero-fallback-gallery,
  .hero.hero-video-shell.hero-video-fallback-active .hero-fallback-gallery {
    z-index: 0 !important;
    opacity: 1 !important;
  }

  .hero.hero-video-shell .hero-bg-video,
  .hero.hero-video-shell.hero-video-ready .hero-bg-video,
  .hero.hero-video-shell.hero-video-fallback-active .hero-bg-video,
  .hero.hero-video-shell .hero-bg-video.video-fallback {
    z-index: 0 !important;
    opacity: 0 !important;
    visibility: hidden !important;
  }

  .hero.hero-video-shell::before,
  .hero.hero-video-shell::after {
    z-index: 1 !important;
  }

  .hero.hero-video-shell .hero-copy-wrap,
  .hero.hero-video-shell .hero-metrics {
    position: relative;
    z-index: 2 !important;
  }
}

/* 2026-07-04 React-controlled mobile hero carousel: do not rely on browser CSS animation timers. */
.hero.hero-video-shell .hero-fallback-gallery img {
  animation: none !important;
  opacity: 0 !important;
  transition: opacity 900ms ease, transform 5200ms ease;
  transform: scale(1.02);
}

.hero.hero-video-shell .hero-fallback-gallery img.is-active {
  z-index: 1;
  opacity: 1 !important;
  transform: scale(1.07);
}

@media (max-width: 820px) {
  .hero.hero-video-shell .hero-fallback-gallery img {
    animation: none !important;
  }

  .hero.hero-video-shell .hero-fallback-gallery img.is-active {
    opacity: 1 !important;
  }
}