:root {
  --blue: #0074c8;
  --blue-deep: #005fa8;
  --blue-soft: #eaf5ff;
  --ink: #111827;
  --text: #333840;
  --muted: #6b7280;
  --line: #dbe3eb;
  --surface: #ffffff;
  --wrap: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fff;
  overflow-x: hidden;
}

main {
  flex: 1 0 auto;
}

main:focus {
  outline: none;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(0, 116, 200, 0.42);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 18px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 16px;
  border-radius: 4px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  background: var(--blue-deep);
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.18);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
}

img,
svg {
  display: block;
}

.wrap {
  width: calc(100% - 48px);
  max-width: var(--wrap);
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 5;
  background: var(--surface);
  box-shadow: 0 2px 18px rgba(17, 24, 39, 0.08);
}

.top-strip {
  height: 34px;
  line-height: 34px;
  color: #68717c;
  font-size: 14px;
  text-align: left;
  background: linear-gradient(180deg, #f7f8fa 0%, #eef1f4 100%);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 102px;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.brand span {
  min-width: 0;
}

.brand img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  color: #0b1118;
  font-size: 31px;
  line-height: 1.18;
  font-weight: 800;
  white-space: nowrap;
}

.brand small {
  display: block;
  margin-top: 6px;
  color: #4d535c;
  font-size: 13px;
  line-height: 1.3;
  font-family: Arial, sans-serif;
  overflow-wrap: anywhere;
}

.hotline {
  display: none;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.hotline-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 3px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
}

.hotline svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.hotline small {
  display: block;
  color: #232a33;
  font-size: 15px;
  line-height: 1.2;
}

.hotline strong {
  display: block;
  margin-top: 3px;
  color: var(--blue);
  font-family: Arial, sans-serif;
  font-size: 30px;
  line-height: 1;
  font-weight: 800;
}

.main-nav {
  border-top: 1px solid #edf1f4;
}

.main-nav .wrap {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: center;
  min-height: 58px;
}

.main-nav a {
  position: relative;
  display: grid;
  place-items: center;
  height: 58px;
  color: #1f2933;
  font-size: 17px;
  font-weight: 600;
}

.main-nav a + a {
  border-left: 1px solid var(--line);
}

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

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 0;
  height: 4px;
  background: var(--blue);
}

.hero {
  min-height: 390px;
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.88) 0%, rgba(2, 24, 47, 0.7) 38%, rgba(2, 24, 47, 0.2) 100%),
    url("../images/hero-datacenter.webp");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  min-height: 390px;
  display: flex;
  align-items: center;
}

.hero-content {
  color: #fff;
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  color: #fff;
  font-size: 42px;
  line-height: 1.22;
  font-weight: 800;
}

.hero h1::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  margin: 24px 0 20px;
  background: var(--blue);
}

.hero p {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
}

.btn,
.mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  min-width: 148px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.btn:hover,
.mini-btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(90deg, #0089ef, var(--blue));
}

.btn.ghost {
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.86);
}

.btn.ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.business-section {
  padding: 26px 0 18px;
  background: #fff;
}

.section-title {
  text-align: center;
}

.section-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: 30px;
  line-height: 1.25;
  font-weight: 800;
}

.section-title span {
  display: block;
  width: 48px;
  height: 4px;
  margin: 12px auto 0;
  background: var(--blue);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 26px;
}

.business-grid article {
  display: grid;
  justify-items: center;
  gap: 13px;
  min-height: 126px;
  padding: 10px 28px 18px;
}

.business-grid article.is-link-card {
  position: relative;
  padding: 0;
}

.business-grid article + article {
  border-left: 1px solid var(--line);
}

.business-grid svg {
  width: 62px;
  height: 62px;
  color: var(--blue);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.8;
}

.business-icon {
  display: block;
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.business-card-link picture {
  display: block;
  width: 62px;
  height: 62px;
}

.business-card-link picture img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.business-card-link {
  display: grid;
  position: absolute;
  inset: 0;
  align-content: center;
  width: auto;
  height: auto;
  min-height: 126px;
  padding: 10px 28px 18px;
  box-sizing: border-box;
  justify-items: center;
  gap: 13px;
  color: inherit;
  text-decoration: none;
  transition: background-color 180ms ease;
}

.business-card-link:hover {
  background: #f8fbfe;
}

.business-card-link:focus-visible {
  outline: 3px solid rgba(0, 114, 198, 0.32);
  outline-offset: 6px;
}

.business-grid h3 {
  margin: 0;
  color: #111827;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
  text-align: center;
}

.info-section {
  padding: 8px 0 28px;
  background: #fff;
}

.info-grid {
  display: grid;
  gap: 20px;
}

.profile-panel,
.contact-panel {
  overflow: hidden;
  display: grid;
  min-height: 238px;
  border: 1px solid #cfdbe7;
  border-radius: 6px;
  background: #fff;
}

.profile-panel {
  grid-template-columns: minmax(300px, 34%) 1fr;
  min-height: auto;
  align-items: start;
}

.profile-panel > picture {
  display: block;
  width: 100%;
  height: 260px;
}

.profile-panel > picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 66%;
}

.profile-summary {
  padding: 34px 38px 36px;
}

.profile-extra {
  grid-column: 1 / -1;
  padding: 0 38px 36px;
}

.contact-copy {
  padding: 26px 28px;
}

.profile-panel h2,
.contact-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 27px;
  line-height: 1.2;
  font-weight: 800;
}

.profile-panel h2::after,
.contact-copy h2::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin: 12px 0 15px;
  background: var(--blue);
}

.profile-panel p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.profile-panel p + p {
  margin-top: 12px;
}

.mini-btn {
  height: 34px;
  min-width: 104px;
  margin-top: 18px;
  padding: 0 20px;
  color: #fff;
  font-size: 14px;
  background: var(--blue);
}

.contact-panel {
  grid-template-columns: 1fr 32%;
  min-height: 240px;
  background:
    linear-gradient(90deg, #fff 0%, rgba(255, 255, 255, 0.96) 62%, rgba(255, 255, 255, 0.55) 100%),
    var(--surface);
}

.contact-panel > picture {
  align-self: stretch;
  display: block;
  width: 100%;
  height: 100%;
}

.contact-panel > picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-copy ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-copy li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #303741;
  font-size: 14px;
  line-height: 1.6;
}

.contact-copy li span {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--blue);
}

.contact-copy svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

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

.page-hero {
  min-height: 250px;
  color: #fff;
  background-position: center;
  background-size: cover;
}

.cases-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/hero-datacenter.webp");
}

.partners-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/company-hero.webp");
}

.qualifications-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/company-hero.webp");
}

.service-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/hero-datacenter.webp");
}

.satellite-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/hero-datacenter.webp");
}

.yichun-hero {
  background-image:
    linear-gradient(90deg, rgba(2, 24, 47, 0.9) 0%, rgba(2, 24, 47, 0.72) 42%, rgba(2, 24, 47, 0.22) 100%),
    url("../images/company-hero.webp");
}

.page-hero-content {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  justify-content: center;
}

.page-hero-content span {
  color: #70c7ff;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.page-hero-content h1 {
  margin: 10px 0 0;
  color: #fff;
  font-size: 40px;
  line-height: 1.25;
  font-weight: 800;
}

.page-hero-content h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin: 18px 0 16px;
  background: var(--blue);
}

.page-hero-content p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 18px;
  line-height: 1.8;
}

.cases-section {
  padding: 36px 0 46px;
  background: #f6f9fc;
}

.case-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 32px;
  align-items: center;
  padding: 30px 34px;
  border: 1px solid #dbe5ee;
  border-radius: 6px;
  background: #fff;
}

.case-overview h2 {
  margin: 0;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.28;
  font-weight: 800;
}

.case-overview p {
  margin: 14px 0 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.case-overview ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-overview li {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid #cfe3f4;
  color: var(--blue-deep);
  font-size: 15px;
  font-weight: 700;
  background: #f3f9ff;
}

.case-group {
  margin-top: 34px;
}

.case-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.case-heading span {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--blue);
}

.case-heading h2 {
  margin: 0;
  color: var(--blue-deep);
  font-size: 28px;
  line-height: 1.2;
  font-weight: 800;
}

.case-heading::after {
  content: "";
  height: 2px;
  flex: 1;
  background: #c7d8e8;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.case-grid.two-col {
  grid-template-columns: repeat(2, 1fr);
}

.case-card {
  padding: 24px 24px 26px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.case-card small {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  background: #eaf5ff;
}

.case-card h3 {
  margin: 16px 0 10px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
}

.case-card p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.case-card p + p {
  margin-top: 10px;
}

.case-heading.compact {
  margin-bottom: 16px;
}

.case-heading.compact h2 {
  font-size: 24px;
}

.partners-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.qualifications-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.service-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.it-system-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.satellite-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.yichun-section {
  padding: 42px 0 52px;
  background: #f6f9fc;
}

.partners-panel {
  min-height: 430px;
  padding: 36px 42px 44px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.partners-panel p {
  max-width: 1080px;
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.partner-list,
.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.partner-list li {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid #cfe3f4;
  color: var(--blue-deep);
  font-size: 14px;
  font-weight: 700;
  background: #f3f9ff;
}

.partner-list-large {
  gap: 18px 20px;
  margin-top: 34px;
}

.partner-list-large li {
  display: inline-flex;
  min-height: 76px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  color: var(--blue-deep);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0;
}

.partner-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.partner-logo-card {
  display: flex;
  min-height: 138px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 22px 18px 18px;
  border: 1px solid #cfe3f4;
  background: #f8fbff;
}

.partner-logo-card img {
  width: min(150px, 86%);
  height: 48px;
  object-fit: contain;
}

.partner-logo-card-symbol img {
  width: 76px;
  height: 54px;
}

.partner-logo-card-dark {
  border-color: #0b3c72;
  background: #082b52;
}

.partner-logo-card-dark img {
  width: min(132px, 82%);
}

.partner-logo-card-filtered img {
  filter: brightness(0) saturate(100%) invert(32%) sepia(98%) saturate(1525%) hue-rotate(181deg)
    brightness(87%) contrast(98%);
}

.partner-logo-card span {
  color: var(--blue-deep);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
}

.partner-logo-card-dark span {
  color: #fff;
}

.qualifications-panel,
.qualification-image-panel {
  padding: 30px 34px 34px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.qualification-image-panel {
  margin-top: 24px;
}

.qualification-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.qualification-list li {
  position: relative;
  min-height: 48px;
  padding: 13px 16px 13px 34px;
  border: 1px solid #cfe3f4;
  color: #303741;
  font-size: 16px;
  line-height: 1.55;
  font-weight: 700;
  background: #f8fbfe;
}

.qualification-list li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 1.35em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.qualification-image-panel picture {
  display: block;
}

.qualification-image-panel img {
  width: 100%;
  height: auto;
  border: 1px solid #dbe5ee;
  background: #fff;
}

.service-panel {
  padding: 34px 38px 38px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.it-system-layout {
  display: grid;
  gap: 34px;
}

.it-system-panel {
  padding: 34px 38px 38px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.it-system-panel p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.it-system-group {
  display: grid;
  gap: 18px;
}

.it-scope-grid,
.it-catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.it-mode-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.it-scope-card,
.it-catalog-card,
.it-mode-card {
  padding: 24px 26px 28px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.it-scope-card small,
.it-mode-card strong {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  color: var(--blue-deep);
  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  background: #eaf5ff;
}

.it-scope-card h3,
.it-catalog-card h3,
.it-mode-card h3 {
  margin: 16px 0 10px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
}

.it-scope-card p,
.it-catalog-card p,
.it-mode-card p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.it-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.it-chip-list span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid #cfe3f4;
  color: var(--blue-deep);
  font-size: 14px;
  font-weight: 700;
  background: #f3f9ff;
}

.it-table-wrap {
  overflow-x: auto;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.it-reference-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.it-reference-table th,
.it-reference-table td {
  padding: 17px 20px;
  border-bottom: 1px solid #e4eef8;
  text-align: left;
  vertical-align: top;
}

.it-reference-table th {
  color: #2d4055;
  font-size: 14px;
  font-weight: 700;
  background: #f3f7fb;
}

.it-reference-table td {
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
}

.it-reference-table td strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
}

.it-reference-table tr:last-child td {
  border-bottom: none;
}

.it-price-pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  color: var(--blue-deep);
  font-weight: 700;
  background: #eaf5ff;
}

.it-contact-note {
  padding: 18px 22px;
  border: 1px solid #d8e2eb;
  border-left: 4px solid var(--blue);
  border-radius: 6px;
  color: #334155;
  font-size: 15px;
  line-height: 1.8;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.satellite-layout {
  display: grid;
  gap: 22px;
}

.satellite-panel {
  padding: 30px 34px 34px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.satellite-panel p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.satellite-panel p + p {
  margin-top: 10px;
}

.satellite-partner-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.satellite-partner-list li {
  display: grid;
  min-height: 118px;
  grid-template-rows: 58px auto;
  align-items: center;
  justify-items: center;
  gap: 10px;
  padding: 16px 14px;
  border: 1px solid #cfe3f4;
  color: var(--blue-deep);
  text-align: center;
  background: #f3f9ff;
}

.satellite-partner-list li.satellite-partner-text-only {
  grid-template-rows: 1fr;
}

.satellite-partner-text-only .satellite-partner-name {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  font-size: 15px;
  line-height: 1.55;
}

.satellite-partner-logo {
  display: flex;
  width: 100%;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: #fff;
}

.satellite-partner-logo-dark {
  background: #0a5ea8;
}

.satellite-partner-logo img {
  max-width: 86%;
  max-height: 38px;
  object-fit: contain;
}

.satellite-partner-logo-dark img {
  max-width: 88%;
  max-height: 34px;
}

.satellite-partner-name {
  display: block;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
}

.satellite-pain-grid,
.satellite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.satellite-pain-grid section {
  padding: 20px 22px;
  border: 1px solid #cfe3f4;
  background: #f8fbfe;
}

.satellite-pain-grid strong {
  display: block;
  color: var(--blue-deep);
  font-size: 18px;
  line-height: 1.45;
}

.satellite-pain-grid p {
  margin-top: 8px;
  font-size: 15px;
}

.satellite-whitepaper h3 {
  margin: 0 0 18px;
  color: #111827;
  font-size: 22px;
  line-height: 1.35;
}

.satellite-sketch {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  padding: 24px;
  border: 1px solid #cfe3f4;
  background: #f8fbfe;
}

.sketch-node {
  position: relative;
  display: grid;
  min-height: 74px;
  place-items: center;
  padding: 12px;
  border: 1px solid #cfe3f4;
  color: var(--blue-deep);
  font-size: 15px;
  line-height: 1.45;
  font-weight: 800;
  text-align: center;
  background: #fff;
}

.sketch-node + .sketch-node::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--blue);
}

.core-node {
  color: #fff;
  border-color: var(--blue-deep);
  background: var(--blue-deep);
}

.yichun-panel {
  padding: 30px 34px 34px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.yichun-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.yichun-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid #dbe5ee;
  border-radius: 6px;
  background: #fff;
}

.yichun-intro {
  max-width: 920px;
  margin: 0 0 12px;
  color: #4b5563;
  font-size: 15px;
  line-height: 1.9;
}

.yichun-contact-note {
  max-width: 920px;
  margin: 0 0 22px;
  padding: 12px 14px;
  border-left: 4px solid var(--blue);
  color: #334155;
  font-size: 15px;
  line-height: 1.8;
  background: #f3f9ff;
}

.yichun-card picture {
  display: block;
}

.yichun-card img {
  display: block;
  width: 100%;
  height: auto;
}

.service-panel p {
  margin: 0;
  color: #4b5563;
  font-size: 15px;
  line-height: 2;
  text-align: justify;
}

.service-panel p + p {
  margin-top: 10px;
}

.service-list {
  display: grid;
  gap: 10px;
}

.service-list li {
  position: relative;
  padding-left: 18px;
  color: #303741;
  font-size: 15px;
  line-height: 1.7;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.service-list-large {
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.service-list-large li {
  min-height: 48px;
  padding: 13px 16px 13px 34px;
  border: 1px solid #cfe3f4;
  font-size: 16px;
  font-weight: 700;
  background: #f8fbfe;
}

.service-list-large li::before {
  left: 15px;
  top: 1.35em;
  width: 8px;
  height: 8px;
}

.case-contact {
  color: #fff;
  background: linear-gradient(90deg, #005fa8 0%, #0085c8 54%, #005fa8 100%);
}

.case-contact .wrap {
  display: flex;
  min-height: 150px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.case-contact h2 {
  margin: 0;
  color: #fff;
  font-size: 27px;
  line-height: 1.3;
  font-weight: 800;
}

.case-contact p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.7;
}

.case-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.case-contact-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.case-contact-actions a:hover {
  background: rgba(255, 255, 255, 0.1);
}

.site-footer {
  flex: 0 0 auto;
  color: #fff;
  background: linear-gradient(90deg, var(--blue-deep), #0094d8, var(--blue-deep));
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
}

.site-footer strong {
  font-size: 20px;
  line-height: 1.5;
}

.not-found-section {
  min-height: 440px;
  padding: 80px 0 96px;
  background:
    linear-gradient(90deg, rgba(0, 92, 168, 0.08), rgba(0, 116, 200, 0.03)),
    #f3f7fb;
}

.not-found-panel {
  max-width: 760px;
  padding: 54px 64px;
  border: 1px solid #d8e2eb;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.06);
}

.not-found-panel > span {
  display: block;
  color: var(--blue);
  font-size: 52px;
  line-height: 1;
  font-weight: 800;
}

.not-found-panel h1 {
  margin: 18px 0 16px;
  color: #111827;
  font-size: 34px;
  line-height: 1.25;
}

.not-found-panel p {
  margin: 0;
  color: #4b5563;
  font-size: 17px;
  line-height: 1.9;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.not-found-actions a {
  display: inline-flex;
  min-width: 132px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.not-found-actions a:first-child {
  color: #fff;
  background: var(--blue);
}

@media (max-width: 980px) {
  .brand-row {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .brand strong {
    white-space: normal;
    font-size: 26px;
  }

  .hotline strong {
    font-size: 25px;
  }

  .hero,
  .hero-overlay {
    min-height: 420px;
  }

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

  .case-overview {
    grid-template-columns: 1fr;
  }

  .case-grid,
  .case-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }

  .it-scope-grid,
  .it-catalog-grid,
  .it-mode-grid {
    grid-template-columns: 1fr 1fr;
  }

  .satellite-partner-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .satellite-sketch {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sketch-node + .sketch-node::before {
    display: none;
  }

  .case-contact .wrap {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 28px 0;
  }

  .case-contact-actions {
    justify-content: flex-start;
  }

  .profile-panel {
    grid-template-columns: 1fr;
  }

  .profile-panel > picture {
    height: 220px;
  }

  .business-grid article:nth-child(3) {
    border-left: 0;
  }

  .business-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 700px) {
  .wrap {
    width: calc(100% - 28px);
  }

  .top-strip {
    display: none;
  }

  .brand-row {
    gap: 14px;
    padding: 10px 0;
  }

  .brand {
    gap: 12px;
  }

  .brand img {
    width: 50px;
    height: 50px;
  }

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

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

  .hotline {
    display: none;
  }

  .hotline-icon {
    width: 38px;
    height: 38px;
  }

  .hotline small {
    font-size: 12px;
  }

  .hotline strong {
    font-size: 20px;
  }

  .main-nav .wrap {
    display: flex;
    width: 100%;
    max-width: none;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 14px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .main-nav .wrap::-webkit-scrollbar {
    display: none;
  }

  .main-nav a {
    flex: 0 0 auto;
    height: 38px;
    min-width: 86px;
    padding: 0 14px;
    scroll-snap-align: start;
    font-size: 13px;
    white-space: nowrap;
  }

  .main-nav a + a {
    border-left: 1px solid var(--line);
  }

  .main-nav a:nth-child(n + 3) {
    border-top: 0;
  }

  .main-nav a:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .hero,
  .hero-overlay {
    min-height: 460px;
  }

  .page-hero,
  .page-hero-content {
    min-height: 240px;
  }

  .page-hero-content h1 {
    font-size: 32px;
  }

  .page-hero-content p {
    font-size: 16px;
  }

  .hero h1 {
    font-size: 32px;
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .hero p {
    font-size: 17px;
  }

  .hero-actions {
    flex-wrap: wrap;
    gap: 14px;
  }

  .btn {
    min-width: 132px;
  }

  .business-grid,
  .case-grid,
  .case-grid.two-col,
  .info-grid,
  .profile-panel,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .cases-section {
    padding: 24px 0 32px;
  }

  .case-overview {
    padding: 24px 20px;
  }

  .case-overview h2,
  .case-heading h2,
  .case-contact h2 {
    font-size: 24px;
  }

  .partners-section {
    padding: 24px 0 34px;
  }

  .qualifications-section {
    padding: 24px 0 34px;
  }

  .service-section {
    padding: 24px 0 34px;
  }

  .it-system-section {
    padding: 24px 0 34px;
  }

  .satellite-section {
    padding: 24px 0 34px;
  }

  .yichun-section {
    padding: 24px 0 34px;
  }

  .partners-panel {
    min-height: auto;
    padding: 24px 20px 28px;
  }

  .qualifications-panel,
  .qualification-image-panel {
    padding: 24px 20px 28px;
  }

  .qualification-list {
    grid-template-columns: 1fr;
  }

  .qualification-list li {
    min-height: 44px;
    font-size: 15px;
  }

  .service-panel {
    padding: 24px 20px 28px;
  }

  .it-system-layout {
    gap: 24px;
  }

  .it-system-panel {
    padding: 24px 20px 28px;
  }

  .it-scope-grid,
  .it-catalog-grid,
  .it-mode-grid {
    grid-template-columns: 1fr;
  }

  .it-scope-card,
  .it-catalog-card,
  .it-mode-card {
    padding: 22px 20px;
  }

  .it-scope-card h3,
  .it-catalog-card h3,
  .it-mode-card h3 {
    font-size: 19px;
  }

  .it-reference-table {
    min-width: 760px;
  }

  .it-contact-note {
    padding: 16px 18px;
  }

  .satellite-panel {
    padding: 24px 20px 28px;
  }

  .satellite-panel p {
    font-size: 15px;
  }

  .satellite-partner-list,
  .satellite-pain-grid,
  .satellite-grid,
  .satellite-sketch {
    grid-template-columns: 1fr;
  }

  .satellite-sketch {
    padding: 18px;
  }

  .yichun-panel {
    padding: 24px 20px 28px;
  }

  .yichun-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-panel p {
    font-size: 15px;
  }

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

  .service-list-large li {
    min-height: 44px;
    font-size: 15px;
  }

  .not-found-section {
    padding: 46px 0 64px;
  }

  .not-found-panel {
    padding: 34px 24px;
  }

  .not-found-panel h1 {
    font-size: 28px;
  }

  .not-found-actions a {
    width: 100%;
  }

  .partners-panel p {
    font-size: 15px;
    line-height: 2;
    text-align: left;
  }

  .partner-list-large {
    gap: 10px;
    margin-top: 22px;
  }

  .partner-list-large li {
    min-height: 48px;
    padding: 0 14px;
    font-size: 17px;
  }

  .partner-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
  }

  .partner-logo-card {
    min-height: 104px;
    gap: 10px;
    padding: 16px 12px 14px;
  }

  .partner-logo-card img {
    width: min(122px, 88%);
    height: 34px;
  }

  .partner-logo-card-symbol img {
    width: 58px;
    height: 40px;
  }

  .partner-logo-card span {
    font-size: 14px;
  }

  .case-overview ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-card {
    padding: 22px 20px;
  }

  .case-card h3 {
    font-size: 19px;
  }

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

  .case-contact-actions a {
    width: 100%;
  }

  .business-grid article {
    border-left: 0 !important;
    border-top: 1px solid var(--line);
  }

  .business-grid article:first-child {
    border-top: 0;
  }

  .profile-panel > picture {
    display: grid;
    height: 260px;
    place-items: center;
    background: #f3f9ff;
  }

  .profile-panel > picture img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
  }

  .contact-panel > picture {
    display: grid;
    height: 220px;
    place-items: center;
    background: #f3f9ff;
  }

  .contact-panel > picture img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
  }
}