:root {
  color-scheme: light;
  --canvas: #f7f9fa;
  --surface: #ffffff;
  --surface-muted: #eef2f3;
  --ink: #10242f;
  --ink-soft: #50636c;
  --line: #d8e0e3;
  --line-strong: #b9c6cb;
  --accent: #1976b5;
  --accent-deep: #105d92;
  --accent-soft: #e7f4fc;
  --danger: #a23535;
  --radius: 2px;
  --shadow: 0 18px 50px rgba(19, 43, 53, 0.09);
  --shell: 1240px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body::before {
  display: none;
}

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

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

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

button,
input,
select,
textarea {
  font-size: inherit;
}

a,
button,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(25, 118, 181, 0.28);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #ffffff;
}

.skip-link:focus {
  top: 12px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand img {
  width: 42px;
  height: 34px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  color: var(--ink);
  font-size: 16px;
  font-weight: 750;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 28px);
  min-width: 0;
  white-space: nowrap;
}

.primary-nav a {
  position: relative;
  padding-block: 27px 24px;
  color: #40535d;
  font-size: 14px;
  line-height: 24px;
  transition: color 180ms ease;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 180ms ease, transform 180ms ease;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--ink);
}

.primary-nav a:hover::after,
.primary-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

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

.button:hover,
.header-cta:hover {
  border-color: var(--accent-deep);
  background: var(--accent-deep);
}

.button:active,
.header-cta:active {
  transform: translateY(1px);
}

.button.is-secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button.is-secondary:hover {
  border-color: var(--ink);
  background: var(--surface-muted);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.hero {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.hero-banner {
  height: clamp(560px, calc(100dvh - 140px), 720px);
  overflow: hidden;
  background: #e7eceb;
}

.hero-banner::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(247, 249, 250, 0.99) 0%, rgba(247, 249, 250, 0.95) 28%, rgba(247, 249, 250, 0.76) 45%, rgba(247, 249, 250, 0.08) 72%);
  content: "";
  pointer-events: none;
}

.hero-banner-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
}

.hero-banner-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-banner-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  height: 100%;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 58px 24px 58px 0;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 750;
}

.hero-copy h1 {
  max-width: none;
  margin: 0;
  color: var(--ink);
  font-size: clamp(46px, 4.2vw, 64px);
  font-weight: 780;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 31em;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.metrics-strip {
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 30px;
}

.metric {
  display: grid;
  align-content: center;
  min-height: 66px;
  padding: 0 30px;
  border-left: 1px solid var(--line);
}

.metric:first-child {
  padding-left: 0;
  border-left: 0;
}

.metric strong {
  color: var(--ink);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 760;
  line-height: 1.15;
}

.metric span {
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 13px;
}

.section {
  padding-block: clamp(78px, 9vw, 124px);
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.section:nth-of-type(even) {
  background: var(--surface);
}

.section.is-compact {
  padding-block: 62px;
}

.section-heading {
  max-width: 740px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-heading h2,
.technology-copy h2,
.story-copy h2,
.cta-band h2,
.page-heading h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 760;
  line-height: 1.2;
  letter-spacing: 0;
}

.section-heading p,
.technology-copy > p,
.story-copy > p,
.page-heading > p {
  max-width: 45em;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.product-section {
  padding-block: clamp(76px, 8vw, 104px);
}

.product-section .section-heading {
  margin-bottom: clamp(36px, 4vw, 48px);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(390px, 0.72fr);
  grid-template-rows: repeat(4, minmax(0, 1fr));
  column-gap: clamp(32px, 4vw, 52px);
  row-gap: 0;
}

.product-card {
  position: relative;
  display: grid;
  grid-column: 2;
  grid-template-columns: 148px minmax(0, 1fr);
  min-width: 0;
  min-height: 142px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
  background: transparent;
}

.product-card:first-child {
  grid-column: 1;
  grid-row: 1 / span 4;
  grid-template-columns: 1fr;
  grid-template-rows: 500px auto;
  align-items: stretch;
  padding: 16px 0 0;
}

.product-card:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.product-card img {
  width: 148px;
  height: 112px;
  margin: 0;
  border-radius: var(--radius);
  object-fit: cover;
  object-position: center;
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1), filter 220ms ease;
}

.product-card:first-child img {
  width: 100%;
  height: 500px;
  object-position: center 58%;
}

.product-card:nth-child(2) img {
  object-position: 78% 50%;
}

.product-card:nth-child(3) img {
  object-position: 78% 30%;
}

.product-card:nth-child(4) img {
  object-position: 52% 48%;
}

.product-card:nth-child(5) img {
  object-position: 72% 52%;
}

.product-card:hover img {
  transform: translateY(-2px);
  filter: saturate(1.04);
}

.product-card-copy {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 4px 38px 4px 22px;
}

.product-card:first-child .product-card-copy {
  justify-content: flex-start;
  padding: 20px 42px 0 0;
}

.product-card-copy::after {
  position: absolute;
  right: 2px;
  top: 50%;
  color: var(--accent);
  content: "\2197";
  font-size: 19px;
  transform: translateY(-50%);
}

.product-card:first-child .product-card-copy::after {
  top: 22px;
  transform: none;
}

.product-card-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 720;
  line-height: 1.4;
}

.product-card:first-child .product-card-copy h3 {
  font-size: 22px;
}

.product-card-copy p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.product-card:first-child .product-card-copy p {
  margin-top: 8px;
  font-size: 14px;
}

.home-news-section .section-heading {
  margin-bottom: clamp(34px, 4vw, 48px);
}

.home-news-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.home-news-item {
  display: grid;
  grid-template-columns: 110px minmax(220px, 260px) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(22px, 3vw, 42px);
  min-height: 174px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.home-news-item time {
  align-self: start;
  padding-top: 4px;
  color: var(--ink-soft);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.home-news-media {
  height: 132px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.home-news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.home-news-item:hover .home-news-media img {
  transform: scale(1.018);
}

.home-news-copy {
  min-width: 0;
}

.home-news-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 730;
  line-height: 1.4;
}

.home-news-copy h3 a:hover {
  color: var(--accent-deep);
}

.home-news-copy p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.home-news-action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 720;
  white-space: nowrap;
  transition: color 180ms ease, gap 180ms ease;
}

.home-news-action:hover {
  gap: 14px;
  color: var(--ink);
}

.home-news-more {
  margin-top: 30px;
}

.technology-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: stretch;
  gap: clamp(50px, 7vw, 92px);
}

.technology-media {
  min-height: 650px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #dce4e6;
}

.technology-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}

.technology-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 24px;
}

.tech-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin: 42px 0 30px;
}

.tech-point {
  padding: 20px 0 22px;
  border-top: 1px solid var(--line-strong);
}

.tech-point dt {
  color: var(--ink);
  font-size: 17px;
  font-weight: 740;
}

.tech-point dd {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  color: var(--accent-deep);
  font-size: 14px;
  font-weight: 720;
  transition: color 180ms ease, gap 180ms ease;
}

.text-link:hover {
  gap: 14px;
  color: var(--ink);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px 24px;
}

.application-card {
  display: grid;
  min-width: 0;
  border-top: 1px solid var(--line-strong);
}

.application-card img {
  width: 100%;
  height: 380px;
  margin-top: 16px;
  border-radius: var(--radius);
  object-fit: cover;
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.application-card:hover img {
  transform: translateY(-3px);
}

.application-card-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: 22px;
  padding-top: 20px;
}

.application-card-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 720;
}

.application-card-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.certificate-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.certificate-item {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.certificate-item img {
  width: 100%;
  aspect-ratio: 0.73;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  object-fit: cover;
  object-position: top;
  filter: saturate(0.72);
  transition: transform 220ms ease, filter 220ms ease, box-shadow 220ms ease;
}

.certificate-item:hover img {
  box-shadow: var(--shadow);
  filter: saturate(1);
  transform: translateY(-3px);
}

.certificate-copy {
  display: grid;
  gap: 7px;
  padding-top: 18px;
}

.certificate-copy strong {
  color: var(--ink);
  font-size: 16px;
  font-weight: 720;
}

.certificate-copy span {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(340px, 0.84fr);
  align-items: center;
  gap: clamp(48px, 7vw, 90px);
}

.story-media {
  min-height: 560px;
  overflow: hidden;
  border-radius: var(--radius);
}

.story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-list {
  display: grid;
  margin: 34px 0 30px;
  border-top: 1px solid var(--line-strong);
}

.story-list span {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
}

.story-list i {
  margin-top: 5px;
  color: var(--accent);
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: 42px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.cta-band h2 {
  font-size: clamp(28px, 3vw, 40px);
}

.cta-band p {
  max-width: 48em;
  margin: 12px 0 0;
  color: var(--ink-soft);
}

.page-hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 360px;
  align-items: center;
  overflow: hidden;
  padding: 54px 0 60px;
  border-bottom: 1px solid var(--line);
  background-color: #eef2f1;
  background-image:
    linear-gradient(90deg, rgba(247, 249, 250, 0.99) 0%, rgba(247, 249, 250, 0.96) 34%, rgba(247, 249, 250, 0.77) 58%, rgba(247, 249, 250, 0.12) 88%),
    image-set(
      url("../images/home-banner-temp.avif") type("image/avif"),
      url("../images/home-banner-temp.webp") type("image/webp")
    );
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-heading {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: min(calc(100% - 64px), var(--shell));
}

.page-heading h1 {
  max-width: 17em;
  margin-top: 26px;
}

.page-heading > p {
  max-width: 48em;
  color: #40565f;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 10px;
  color: #5f737c;
  font-size: 12px;
}

.breadcrumb a:hover {
  color: var(--accent-deep);
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(80, 99, 108, 0.3);
}

.category-nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
}

.category-nav a:hover {
  color: var(--accent-deep);
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 54px 34px;
}

.listing-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.44fr) minmax(0, 0.56fr);
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.listing-card-media {
  min-height: 250px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.listing-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.listing-card:hover .listing-card-media img {
  transform: scale(1.018);
}

.listing-card-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 10px 0 4px 26px;
}

.listing-card-copy h2,
.listing-card-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  font-weight: 720;
  line-height: 1.4;
}

.listing-card-copy p {
  margin: 13px 0 24px;
  color: var(--ink-soft);
  font-size: 14px;
}

.listing-card-copy .text-link {
  margin-top: auto;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 330px);
  align-items: start;
  gap: clamp(50px, 7vw, 96px);
}

.article-main {
  min-width: 0;
}

.article-main > img {
  width: 100%;
  max-height: 720px;
  margin-bottom: 42px;
  border-radius: var(--radius);
  object-fit: cover;
  object-position: top;
}

.article-content {
  color: #314852;
  font-size: 16px;
  overflow-wrap: anywhere;
}

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

.article-content h2,
.article-content h3 {
  margin: 42px 0 16px;
  color: var(--ink);
  font-weight: 740;
  line-height: 1.35;
}

.article-content h2 {
  font-size: 28px;
}

.article-content h3 {
  font-size: 22px;
}

.article-content p {
  margin: 0 0 18px;
}

.article-content ul,
.article-content ol {
  margin: 18px 0;
  padding-left: 1.25em;
}

.article-content li {
  margin: 8px 0;
}

.article-content img {
  height: auto !important;
  margin: 28px auto;
  border-radius: var(--radius);
}

.article-content table {
  width: 100% !important;
  margin: 28px 0;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 14px;
}

.article-content th,
.article-content td {
  padding: 13px 15px;
  border: 1px solid var(--line);
  text-align: left;
}

.article-content th {
  background: var(--surface-muted);
  color: var(--ink);
}

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

.faq-main { min-width: 0; }

.faq-toolbar {
  display: grid;
  gap: 10px;
  margin-bottom: 30px;
}

.faq-toolbar > label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.faq-search {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.faq-search i {
  color: var(--accent);
}

.faq-search input {
  min-width: 0;
  height: 50px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.faq-search input::placeholder {
  color: #71828a;
}

.faq-categories {
  display: grid;
  gap: 12px;
  margin: 10px 0 20px;
}

.faq-categories-label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.faq-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 22px;
  border-bottom: 1px solid var(--line);
}

.faq-category {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 0 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease;
}

.faq-category:hover,
.faq-category:focus-visible,
.faq-category.is-active {
  color: var(--accent-deep);
}

.faq-category.is-active {
  border-bottom-color: var(--accent);
}

.faq-category small {
  color: currentColor;
  font-size: 12px;
  font-weight: 600;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 22px 46px 22px 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 24px;
  right: 4px;
  color: var(--accent-deep);
  content: "+";
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item > div {
  max-width: 760px;
  padding: 0 46px 20px 0;
  color: var(--ink-soft);
}

.faq-item > div p {
  margin: 0;
}

.faq-empty {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.article-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 28px 0 30px;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--line-strong);
}

.article-aside h2 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  font-weight: 740;
  line-height: 1.4;
}

.article-aside p {
  margin: 14px 0 24px;
  color: var(--ink-soft);
  font-size: 14px;
}

.article-aside .button {
  width: 100%;
}

.article-aside .text-link {
  margin-top: 22px;
}

.service-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-block: 34px;
}

.service-flow > div {
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}

.service-flow span,
.service-flow strong {
  display: block;
}

.service-flow strong {
  margin: 6px 0;
  color: var(--ink);
}

.news-list,
.download-list {
  display: grid;
}

.news-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  align-items: start;
  gap: 34px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.news-row:first-child,
.download-row:first-child {
  border-top: 1px solid var(--line-strong);
}

.news-row time {
  color: #71828a;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.news-row h2,
.download-row h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 720;
  line-height: 1.45;
}

.news-row p,
.download-row p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.download-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.download-icon {
  display: grid;
  width: 48px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--accent-deep);
  font-size: 21px;
}

.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  align-items: start;
  gap: clamp(50px, 7vw, 96px);
}

.contact-section {
  position: relative;
  background: var(--surface);
}

.contact-section::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(max(32px, calc(50% - 620px)) + 360px + clamp(30px, 4vw, 62px));
  background: var(--surface-muted);
  content: "";
  pointer-events: none;
}

.contact-page-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(60px, 8vw, 124px);
}

.contact-overview {
  position: sticky;
  top: 128px;
}

.contact-overview > h2 {
  margin: 12px 0 18px;
  color: var(--ink);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.22;
}

.contact-overview > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.contact-form-area {
  padding-top: 4px;
}

.contact-form-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-strong);
}

.contact-form-heading h2 {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: clamp(27px, 3vw, 38px);
}

.contact-form-heading > p {
  flex: none;
  margin: 0 0 5px;
  color: #40545d;
  font-size: 13px;
}

.contact-form-heading > p span,
.form-field label > span {
  color: var(--accent);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
}

.form-field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.form-field.is-full,
.form-actions {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 680;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #a8b7bd;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.5;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-field textarea {
  min-height: 180px;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #586b74;
  opacity: 1;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(25, 118, 181, 0.12);
  outline: 0;
}

.form-hint {
  color: #4f626b;
  font-size: 13px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 8px;
}

.form-status {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.form-status.is-success {
  color: var(--accent-deep);
}

.form-status.is-error {
  color: var(--danger);
}

.contact-panel {
  padding: 28px 0 30px;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--line-strong);
}

.contact-overview .contact-panel {
  margin-top: 36px;
}

.contact-overview .contact-panel h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 16px;
}

.contact-overview .contact-panel span {
  min-width: 0;
}

.contact-overview .contact-panel small {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-soft);
  font-size: 11px;
}

.contact-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: 23px;
  font-weight: 740;
}

.contact-panel > p:first-of-type {
  margin: 12px 0 24px;
  color: var(--ink-soft);
  font-size: 14px;
}

.contact-panel a,
.contact-panel > p:not(:first-of-type) {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.contact-panel i {
  margin-top: 4px;
  color: var(--accent);
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 52px;
}

.pagination a,
.pagination span {
  display: grid;
  min-width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 13px;
}

.pagination a:hover,
.pagination span {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.site-footer {
  padding: 70px 0 26px;
  background: #eef2f3;
  color: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(230px, 1.4fr) repeat(2, minmax(130px, 0.7fr)) minmax(230px, 1fr);
  gap: 54px;
}

.footer-brand p {
  max-width: 260px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-links,
.footer-contact {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-links h2,
.footer-contact h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 740;
}

.footer-links a,
.footer-contact a,
.footer-contact p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--accent-deep);
}

.footer-contact a,
.footer-contact p {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  overflow-wrap: anywhere;
}

.footer-contact i {
  margin-top: 4px;
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 54px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 12px;
}

.mobile-actions {
  display: none;
}

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

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

@media (max-width: 1120px) {
  .site-shell,
  .page-heading {
    width: min(calc(100% - 48px), var(--shell));
  }

  .header-inner {
    gap: 18px;
  }

  .primary-nav {
    gap: 15px;
  }

  .primary-nav a {
    font-size: 13px;
  }

  .header-cta {
    display: none;
  }

  .hero-copy {
    padding-right: 42px;
  }

  .technology-grid,
  .story-grid {
    gap: 48px;
  }

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

  .listing-card {
    grid-template-columns: minmax(220px, 0.38fr) minmax(0, 0.62fr);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  body {
    padding-bottom: 58px;
  }

  .site-shell,
  .page-heading {
    width: min(calc(100% - 40px), var(--shell));
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 3;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    max-height: calc(100dvh - var(--header-height) - 58px);
    justify-content: stretch;
    gap: 0;
    padding: 8px 20px 18px;
    overflow-y: auto;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.99);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 13px 2px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }

  .primary-nav a::after {
    display: none;
  }

  .hero-banner {
    height: clamp(560px, calc(100dvh - 110px), 650px);
  }

  .hero-banner::after {
    background: linear-gradient(180deg, rgba(247, 249, 250, 0.99) 0%, rgba(247, 249, 250, 0.94) 50%, rgba(247, 249, 250, 0.62) 68%, rgba(247, 249, 250, 0.08) 88%);
  }

  .hero-banner-inner {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: 0;
    justify-content: flex-start;
    max-width: 520px;
    padding: 58px 0 40px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-banner-media img {
    object-position: center 44%;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
    gap: 28px 20px;
  }

  .product-card:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    grid-template-rows: 430px auto;
  }

  .product-card:nth-child(2),
  .product-card:nth-child(3),
  .product-card:nth-child(4),
  .product-card:nth-child(5) {
    grid-column: auto;
    grid-template-columns: 120px minmax(0, 1fr);
    min-height: 126px;
    padding-block: 12px;
  }

  .product-card:first-child img {
    height: 430px;
  }

  .product-card:nth-child(n + 2) img {
    width: 120px;
    height: 98px;
  }

  .product-card:nth-child(n + 2) .product-card-copy {
    padding: 4px 32px 4px 18px;
  }

  .technology-grid,
  .story-grid,
  .article-layout,
  .faq-layout,
  .inquiry-layout,
  .contact-page-layout {
    grid-template-columns: 1fr;
  }

  .home-news-item {
    grid-template-columns: 92px minmax(160px, 210px) minmax(0, 1fr) auto;
    gap: 20px;
  }

  .home-news-action span {
    display: none;
  }

  .technology-media,
  .story-media {
    min-height: 520px;
  }

  .technology-copy {
    padding: 0;
  }

  .certificate-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 38px 20px;
  }

  .article-aside {
    position: static;
  }

  .inquiry-layout {
    gap: 58px;
  }

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

  .contact-section::before {
    display: none;
  }

  .contact-page-layout {
    gap: 58px;
  }

  .contact-overview {
    position: static;
  }

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

  .mobile-actions {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 35;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    min-height: 58px;
    border-top: 1px solid var(--line-strong);
    background: var(--surface);
    box-shadow: 0 -8px 24px rgba(19, 43, 53, 0.08);
  }

  .mobile-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-actions a + a {
    border-left: 1px solid var(--line);
    background: var(--accent);
    color: #ffffff;
  }
}

@media (max-width: 640px) {
  .site-shell,
  .page-heading {
    width: min(calc(100% - 32px), var(--shell));
  }

  .brand img {
    width: 38px;
    height: 31px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .hero-banner {
    height: clamp(560px, calc(100dvh - 108px), 650px);
  }

  .hero-banner::after {
    background: linear-gradient(180deg, rgba(247, 249, 250, 0.99) 0%, rgba(247, 249, 250, 0.96) 46%, rgba(247, 249, 250, 0.66) 64%, rgba(247, 249, 250, 0.08) 88%);
  }

  .hero-banner-media img {
    object-position: center 42%;
  }

  .hero-copy {
    min-height: 0;
    padding: 46px 0 32px;
  }

  .eyebrow {
    margin-bottom: 15px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 12vw, 52px);
  }

  .hero-copy > p:not(.eyebrow) {
    margin-top: 18px;
    font-size: 15px;
  }

  .hero-actions {
    width: 100%;
    margin-top: 26px;
  }

  .hero-actions .button {
    flex: 1 1 0;
    min-width: 0;
    padding-inline: 12px;
  }

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

  .metric {
    min-height: 112px;
    padding: 22px 16px;
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .metric:nth-child(even) {
    padding-right: 0;
  }

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

  .section {
    padding-block: 72px;
  }

  .section.is-compact {
    padding-block: 44px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .technology-copy h2,
  .story-copy h2,
  .page-heading h1 {
    font-size: 31px;
  }

  .application-grid,
  .certificate-list,
  .listing-grid {
    grid-template-columns: 1fr;
  }

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

  .product-card,
  .product-card:first-child,
  .product-card:nth-child(2),
  .product-card:nth-child(3),
  .product-card:nth-child(4),
  .product-card:nth-child(5) {
    grid-column: auto;
  }

  .product-card:first-child {
    grid-row: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    margin-bottom: 24px;
  }

  .product-card:nth-child(n + 2) {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 116px;
    padding-block: 12px;
  }

  .product-card:first-child img {
    width: 100%;
    height: auto;
    max-height: none;
    aspect-ratio: 4 / 3;
  }

  .product-card:nth-child(n + 2) img {
    width: 112px;
    height: 92px;
    aspect-ratio: auto;
  }

  .product-card:first-child .product-card-copy {
    padding: 18px 36px 0 0;
  }

  .product-card:nth-child(n + 2) .product-card-copy {
    padding: 4px 30px 4px 16px;
  }

  .product-card-copy h3 {
    font-size: 16px;
  }

  .product-card:first-child .product-card-copy h3 {
    font-size: 20px;
  }

  .home-news-section .section-heading {
    margin-bottom: 32px;
  }

  .home-news-item {
    grid-template-columns: 96px minmax(0, 1fr) 22px;
    gap: 10px 14px;
    min-height: 0;
    padding: 20px 0;
  }

  .home-news-item time {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .home-news-media {
    grid-column: 1;
    height: 82px;
  }

  .home-news-copy {
    grid-column: 2;
  }

  .home-news-copy h3 {
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .home-news-copy p {
    display: -webkit-box;
    margin-top: 5px;
    overflow: hidden;
    font-size: 12px;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .home-news-action {
    grid-column: 3;
    align-self: center;
    justify-self: end;
  }

  .home-news-more {
    margin-top: 24px;
  }

  .technology-media,
  .story-media {
    min-height: 0;
    aspect-ratio: 4 / 4.8;
  }

  .tech-points {
    grid-template-columns: 1fr;
    margin-top: 32px;
  }

  .application-grid {
    gap: 38px;
  }

  .application-card img {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .application-card-copy {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .cta-band {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 32px 0;
  }

  .cta-band .button {
    width: 100%;
  }

  .page-hero {
    min-height: 330px;
    padding: 42px 0 46px;
    background-image:
      linear-gradient(90deg, rgba(247, 249, 250, 0.99) 0%, rgba(247, 249, 250, 0.95) 54%, rgba(247, 249, 250, 0.76) 76%, rgba(247, 249, 250, 0.28) 100%),
      image-set(
        url("../images/home-banner-temp-mobile.avif") type("image/avif"),
        url("../images/home-banner-temp-mobile.webp") type("image/webp")
      );
    background-position: 62% center;
  }

  .page-heading h1 {
    margin-top: 22px;
  }

  .category-nav {
    gap: 8px 18px;
    margin-top: 28px;
  }

  .listing-card {
    grid-template-columns: 1fr;
  }

  .listing-card-media {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .listing-card-copy {
    min-height: 190px;
    padding: 20px 0 0;
  }

  .article-main > img {
    margin-bottom: 30px;
  }

  .article-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
  }

  .service-flow {
    grid-template-columns: 1fr;
  }

  .news-row {
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
  }

  .news-row time {
    grid-column: 1;
  }

  .news-row > div {
    grid-column: 1;
  }

  .news-row > .text-link {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
  }

  .download-row {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 16px;
  }

  .download-icon {
    width: 44px;
    height: 48px;
  }

  .download-row .button {
    grid-column: 2;
    justify-self: start;
    margin-top: 6px;
  }

  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .contact-form-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 26px;
  }

  .contact-form-heading > p {
    margin: 0;
  }

  .form-field.is-full,
  .form-actions {
    grid-column: auto;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }

  .footer-brand,
  .footer-contact {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}