:root {
  color-scheme: light;
  --ink: #223149;
  --muted: #718092;
  --soft: #f5f8fc;
  --line: #e5ecf4;
  --blue: #238eef;
  --cyan: #22c9cd;
  --dark-2: #0d1726;
  --shadow: 0 14px 36px rgba(34, 49, 73, 0.1);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family:
    "Microsoft YaHei", "Segoe UI", Arial, ui-sans-serif, system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

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

.wrap {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 28px;
}

.topbar {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(229, 236, 244, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-mark {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #37a9e5 0%, #29c9c5 100%);
  color: #ffffff;
  font-size: 1.72rem;
  font-weight: 900;
  line-height: 1;
}

.logo-mark.large {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  font-size: 2.35rem;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  color: #1d2b41;
  font-size: 1.78rem;
  font-weight: 900;
  line-height: 1.03;
}

.brand-copy small {
  color: #8a97ab;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.1;
}

.menu {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
  color: #617086;
  font-size: 0.98rem;
  font-weight: 800;
  white-space: nowrap;
}

.menu a {
  position: relative;
  display: inline-flex;
  min-height: 76px;
  align-items: center;
}

.menu a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
  opacity: 0;
  transform: scaleX(0.45);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

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

.menu a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.nav-cta {
  min-height: 42px;
  padding: 0 22px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 20px rgba(35, 142, 239, 0.2);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 82px;
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 15%, rgba(42, 197, 202, 0.26), transparent 32%),
    radial-gradient(circle at 8% 22%, rgba(35, 142, 239, 0.26), transparent 30%),
    linear-gradient(135deg, #111d2e 0%, #0e1929 58%, #0b1523 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 58px 58px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 58px;
  align-items: center;
}

.kicker,
.eyebrow {
  display: inline-flex;
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.hero-copy h1 {
  max-width: 700px;
  margin: 18px 0 0;
  font-size: clamp(3.4rem, 7vw, 6.1rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.98;
}

.slogan-cn {
  margin: 22px 0 0;
  color: #ffffff;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  font-weight: 900;
  letter-spacing: 0;
}

.sub {
  max-width: 670px;
  margin: 24px 0 0;
  color: #b8c6da;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.btn {
  min-height: 54px;
  padding: 0 30px;
  border: 1px solid transparent;
  font-size: 1rem;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

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

.btn.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 28px rgba(35, 142, 239, 0.24);
}

.btn.ghost {
  color: #eef5ff;
  border-color: rgba(163, 180, 205, 0.32);
  background: rgba(255, 255, 255, 0.03);
}

.btn.white {
  color: var(--blue);
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(7, 21, 38, 0.16);
}

.hero-card {
  padding: 46px;
  border: 1px solid rgba(151, 174, 205, 0.18);
  border-radius: 22px;
  background: rgba(12, 22, 36, 0.82);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
}

.hero-brand .brand-copy strong {
  color: #eef5ff;
  font-size: clamp(2.5rem, 4.4vw, 4rem);
}

.hero-brand .brand-copy small {
  color: #a9b5c8;
  font-size: clamp(1rem, 2vw, 1.42rem);
}

.hero-card-line {
  width: 100%;
  height: 1px;
  margin: 34px 0 26px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.hero-card p {
  margin: 0;
  color: #b8c6da;
  font-size: 1.08rem;
}

.hero-stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 42px;
  padding-top: 30px;
  border-top: 1px solid rgba(166, 184, 209, 0.16);
}

.stat b {
  display: block;
  color: #eef5ff;
  font-size: clamp(2.6rem, 5vw, 4.3rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 16px;
  color: #adbacd;
  font-size: 1.18rem;
  font-weight: 700;
}

.block {
  padding: clamp(78px, 9vw, 118px) 0;
}

.soft {
  background: var(--soft);
}

.section-heading {
  margin-bottom: 66px;
  text-align: center;
}

.section-heading h2,
.sec-head h2,
.about-copy h2,
.cta-band h2 {
  margin: 0;
  color: #23324a;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.14;
}

.section-heading h2 {
  font-size: clamp(2.4rem, 5vw, 4.25rem);
}

.section-heading h2::after,
.about-copy h2::after {
  display: block;
  width: 52px;
  height: 4px;
  margin: 22px auto 0;
  background: linear-gradient(90deg, #2d67ff, var(--cyan));
  content: "";
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 48px;
}

.product-card {
  display: flex;
  min-height: 142px;
  align-items: center;
  gap: 34px;
  padding: 34px 42px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.product-card h3 {
  margin: 0;
  color: #596579;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.15;
}

.product-card p {
  margin: 8px 0 0;
  color: #7b8798;
  font-size: 1.16rem;
  font-weight: 700;
}

.brand-logo {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
}

.azure-logo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 5px;
}

.azure-logo span:nth-child(1) {
  background: #f25022;
}

.azure-logo span:nth-child(2) {
  background: #7fba00;
}

.azure-logo span:nth-child(3) {
  background: #00a4ef;
}

.azure-logo span:nth-child(4) {
  background: #ffb900;
}

.gcp-logo {
  display: grid;
  place-items: center;
}

.gcp-logo svg {
  width: 76px;
  height: 54px;
}

.aws-logo {
  position: relative;
  display: grid;
  place-items: center;
  color: #232f3e;
}

.aws-logo strong {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.aws-logo i {
  position: absolute;
  bottom: 8px;
  left: 7px;
  width: 45px;
  height: 16px;
  border-bottom: 4px solid #ff9900;
  border-radius: 0 0 40px 40px;
  transform: rotate(-7deg);
}

.ai-logo {
  position: relative;
  display: grid;
  place-items: center;
}

.ai-logo::before {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, #23abd9, #238eef);
  content: "";
}

.ai-logo b {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
}

.ai-logo b:nth-child(1) {
  transform: translate(-13px, -10px);
}

.ai-logo b:nth-child(2) {
  transform: translate(11px, -1px);
}

.ai-logo b:nth-child(3) {
  transform: translate(-1px, 14px);
}

.sec-head {
  max-width: 780px;
  margin-bottom: 42px;
}

.sec-head h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.sec-head p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.card {
  min-height: 260px;
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(34, 49, 73, 0.07);
}

.ic {
  display: inline-grid;
  min-width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  padding: 0 10px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-weight: 900;
}

.card h3 {
  margin: 28px 0 0;
  color: #2d3d55;
  font-size: 1.28rem;
}

.card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(48px, 8vw, 92px);
  align-items: center;
}

.about-copy h2 {
  font-size: clamp(2.6rem, 5vw, 4.3rem);
}

.about-copy h2::after {
  margin-right: 0;
  margin-left: 0;
}

.about-copy p {
  margin: 26px 0 0;
  color: #6e7d90;
  font-size: 1.16rem;
  font-weight: 700;
}

.about-copy .lead {
  color: #66758a;
  font-size: 1.24rem;
  font-weight: 900;
}

.about-panel {
  display: grid;
  gap: 24px;
}

.about-panel article {
  min-height: 145px;
  padding: 30px 38px;
  border-left: 6px solid var(--blue);
  border-radius: 4px;
  background: #f7fbff;
  box-shadow: 0 16px 34px rgba(34, 49, 73, 0.08);
}

.about-panel b {
  display: block;
  color: var(--blue);
  font-size: clamp(3rem, 5vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
}

.about-panel span {
  display: block;
  margin-top: 18px;
  color: #6e7d90;
  font-size: 1.1rem;
  font-weight: 900;
}

.contact-block {
  padding-top: 0;
}

.cta-band {
  padding: clamp(50px, 7vw, 78px);
  border-radius: 6px;
  color: #ffffff;
  background:
    radial-gradient(circle at 84% 18%, rgba(34, 201, 205, 0.25), transparent 30%),
    linear-gradient(135deg, #111d2e, #0b1524);
  box-shadow: 0 20px 50px rgba(13, 23, 38, 0.18);
}

.cta-band h2 {
  max-width: 800px;
  color: #ffffff;
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.cta-band p {
  max-width: 720px;
  margin: 18px 0 30px;
  color: #bdcadb;
  font-size: 1.08rem;
}

.footer {
  padding: 34px 0 42px;
  color: #8a97ab;
  background: var(--dark-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer .brand-copy strong {
  color: #eef5ff;
}

.footer .brand-copy small {
  color: #9facbf;
}

.footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .menu {
    display: none;
  }

  .hero-grid,
  .about-layout,
  .product-grid,
  .service-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 86px;
  }

  .hero-card {
    max-width: 620px;
  }

  .footer-grid {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 18px;
  }

  .nav {
    min-height: 68px;
    gap: 14px;
  }

  .brand-copy strong {
    font-size: 1.38rem;
  }

  .brand-copy small {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
    font-size: 1.42rem;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding: 70px 0 58px;
  }

  .hero-copy h1 {
    font-size: clamp(2.55rem, 13.5vw, 3.42rem);
    line-height: 1.04;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-card {
    padding: 28px;
  }

  .hero-brand {
    align-items: flex-start;
  }

  .hero-brand .brand-copy strong {
    font-size: 2.2rem;
  }

  .hero-brand .brand-copy small {
    font-size: 0.9rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .product-card {
    min-height: 120px;
    gap: 22px;
    padding: 28px 24px;
  }

  .product-card h3 {
    font-size: 1.55rem;
  }

  .product-card p {
    font-size: 1rem;
  }

  .brand-logo {
    width: 48px;
    height: 48px;
  }

  .gcp-logo svg {
    width: 62px;
    height: 48px;
  }

  .about-panel article {
    padding: 26px 28px;
  }

  .cta-band {
    padding: 40px 24px;
  }
}