:root {
  --primary: #1f5eff;
  --primary-dark: #113ea8;
  --secondary: #0fb7a5;
  --accent: #ffb020;
  --text: #172033;
  --muted: #667085;
  --light: #f5f8ff;
  --white: #ffffff;
  --border: #e5ebf5;
  --shadow: 0 18px 50px rgba(16, 42, 92, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

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

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

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

.topbar {
  background: #0d2145;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
}

.topbar-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 10px 22px rgba(31, 94, 255, 0.25);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 20px;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  color: #344054;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: #eef4ff;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 86px;
  background:
    radial-gradient(circle at 80% 20%, rgba(15, 183, 165, 0.22), transparent 32%),
    radial-gradient(circle at 10% 10%, rgba(31, 94, 255, 0.22), transparent 36%),
    linear-gradient(135deg, #eef5ff 0%, #f8fbff 58%, #eefdfa 100%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(31, 94, 255, 0.08);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero-text,
.lead,
.page-hero p,
.section-title p {
  color: var(--muted);
  font-size: 18px;
}

.hero-text {
  max-width: 720px;
  margin-bottom: 34px;
}

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

.stack-actions {
  flex-direction: column;
  align-items: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 14px 28px rgba(31, 94, 255, 0.28);
}

.btn-light {
  color: var(--primary-dark);
  background: var(--white);
  box-shadow: 0 12px 26px rgba(16, 42, 92, 0.08);
}

.btn-light.bordered {
  border: 1px solid var(--border);
}

.hero-card,
.info-panel,
.contact-card,
.cta-card {
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
}

.hero-card-title {
  margin-bottom: 18px;
  font-size: 24px;
  font-weight: 900;
}

.check-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  margin: 12px 0;
  color: rgba(255, 255, 255, 0.92);
}

.hero-card .check-list li {
  color: #344054;
}

.check-list.dark li {
  color: #344054;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  background: var(--secondary);
}

.section {
  padding: 86px 0;
}

.section-muted {
  background: var(--light);
}

.section-title {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.service-grid,
.product-grid,
.jobs-grid,
.scenario-grid,
.tips-grid,
.stats-grid {
  display: grid;
  gap: 22px;
}

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

.service-card,
.product-card,
.job-card,
.case-card,
.stat-card,
.scenario-grid div,
.tips-grid div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(16, 42, 92, 0.06);
}

.service-card,
.product-card,
.job-card,
.case-card {
  padding: 30px;
}

.service-card p,
.product-card p,
.job-card p,
.case-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.service-card.highlight,
.product-card.featured {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #063b8f);
}

.service-card.highlight p,
.product-card.featured p,
.product-card.featured .text-link {
  color: rgba(255, 255, 255, 0.86);
}

.card-number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--primary);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.highlight .card-number {
  color: var(--accent);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 54px;
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  padding: 22px 24px;
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(16, 42, 92, 0.06);
}

.feature-item strong {
  color: var(--primary-dark);
  font-size: 20px;
}

.feature-item span {
  color: var(--muted);
}

.cta {
  padding: 72px 0;
  color: var(--white);
  background: linear-gradient(135deg, #0d2145, #154fb7);
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}

.cta p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.page-hero {
  padding: 72px 0;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(13, 33, 69, 0.92), rgba(31, 94, 255, 0.82)),
    radial-gradient(circle at 80% 30%, rgba(15, 183, 165, 0.38), transparent 34%);
}

.page-hero .eyebrow,
.page-hero p {
  color: rgba(255, 255, 255, 0.82);
}

.page-hero h1 {
  margin-bottom: 12px;
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
}

.info-panel {
  padding: 34px;
}

.about-article {
  max-width: 980px;
  margin: 0 auto;
  padding: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.about-article p {
  color: #344054;
  font-size: 17px;
  text-indent: 2em;
}

.about-article h3 {
  margin-top: 30px;
}

.article-image {
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--light);
}

.article-image img {
  width: 100%;
  height: auto;
}

.article-service-list {
  display: grid;
  gap: 14px;
  padding-left: 22px;
  color: #344054;
}

.article-contact-box {
  margin-top: 32px;
  padding: 24px;
  border-radius: 18px;
  background: var(--light);
}

.article-contact-box p {
  margin-bottom: 8px;
  text-indent: 0;
}

.article-contact-box a {
  color: var(--primary);
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 180px 1fr;
  gap: 18px;
  align-items: center;
  padding: 24px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--border);
}

.timeline-item span {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  font-weight: 900;
  background: var(--primary);
}

.timeline-item h3,
.timeline-item p {
  margin: 0;
}

.timeline-item p {
  color: var(--muted);
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
  padding: 28px;
  text-align: center;
}

.stat-card strong {
  display: block;
  color: var(--primary);
  font-size: 38px;
  line-height: 1.1;
}

.stat-card span {
  color: var(--muted);
}

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

.product-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  color: var(--white);
  font-size: 24px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.product-card ul,
.job-card ul {
  padding-left: 20px;
  margin-bottom: 0;
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--primary);
  font-weight: 800;
}

.cta-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 34px;
}

.cta-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.case-list {
  display: grid;
  gap: 22px;
}

.case-card {
  position: relative;
  padding-left: 38px;
}

.case-tag {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--primary);
  font-weight: 800;
  background: #eef4ff;
}

.case-result {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 16px;
  color: #344054;
  background: var(--light);
}

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

.scenario-grid div,
.tips-grid div {
  padding: 24px;
  color: #344054;
  font-weight: 700;
}

.job-card h3 {
  margin-top: 22px;
  font-size: 17px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}

.contact-card {
  padding: 34px;
}

.main-contact {
  color: var(--white);
  background: linear-gradient(135deg, #102a5c, #1f5eff);
}

.main-contact p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.contact-list a,
.contact-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
}

.contact-list span {
  text-align: right;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #081a36;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr;
  gap: 34px;
  padding: 54px 0 42px;
}

.site-footer h3,
.site-footer h4 {
  color: var(--white);
  margin-bottom: 14px;
}

.site-footer p {
  margin-bottom: 8px;
}

.site-footer a {
  display: block;
  margin-bottom: 8px;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-bottom a {
  display: inline;
  margin-bottom: 0;
  color: inherit;
}

.footer-bottom {

  padding: 18px 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.62);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .product-grid,
  .jobs-grid,
  .stats-grid,
  .scenario-grid,
  .tips-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-inner,
  .cta-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .timeline-item {
    grid-template-columns: 52px 1fr;
  }

  .timeline-item p {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .topbar-inner,
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-inner {
    padding: 8px 0;
    gap: 4px;
  }

  .nav-inner {
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 8px 10px;
    font-size: 14px;
  }

  .hero,
  .section {
    padding: 58px 0;
  }

  .page-hero {
    padding: 54px 0;
  }

  .service-grid,
  .product-grid,
  .jobs-grid,
  .stats-grid,
  .scenario-grid,
  .tips-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    grid-template-columns: 1fr;
  }

  .contact-list a,
  .contact-list div {
    flex-direction: column;
    gap: 4px;
  }

  .contact-list span {
    text-align: left;
  }
}