:root {
  --navy: #0b1f3a;
  --blue: #1454d4;
  --cyan: #1ba7c9;
  --red: #e43d30;
  --ink: #172033;
  --muted: #667085;
  --line: #e7ecf3;
  --soft: #f4f7fb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(11, 31, 58, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 34px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(231, 236, 243, .9);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  font-weight: 800;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), var(--red));
  box-shadow: 0 12px 30px rgba(20, 84, 212, .22);
}

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

.brand strong {
  font-size: 18px;
  letter-spacing: .04em;
}

.brand em {
  margin-top: -3px;
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .16em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #344054;
  font-size: 15px;
}

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

.header-cta {
  padding: 10px 18px;
  color: var(--white);
  background: linear-gradient(135deg, #1d6cff, #0aa7d9);
  border-radius: 999px;
  font-size: 14px;
  box-shadow: 0 14px 28px rgba(29, 108, 255, .18);
  transition: transform .2s ease, box-shadow .2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(29, 108, 255, .24);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  padding: 96px 0 88px;
  background:
    radial-gradient(circle at 82% 24%, rgba(228, 61, 48, .13), transparent 28%),
    linear-gradient(135deg, #f7fbff 0%, #eef5ff 48%, #fff 100%);
}

.hero-bg {
  position: absolute;
  inset: auto -10% -30% 45%;
  height: 480px;
  transform: rotate(-12deg);
  background:
    linear-gradient(90deg, rgba(20, 84, 212, .08), rgba(228, 61, 48, .08)),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(11, 31, 58, .08) 29px 30px);
  border-radius: 80px;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .75fr);
  align-items: center;
  gap: 54px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  color: transparent;
  background: linear-gradient(135deg, #102a4c 0%, #1454d4 58%, #0aa7d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: clamp(36px, 4.35vw, 58px);
  line-height: 1.12;
  letter-spacing: -.045em;
}

.hero-lead {
  max-width: 680px;
  margin: 28px 0 0;
  color: #475467;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), #0b63ce);
  box-shadow: 0 16px 32px rgba(20, 84, 212, .24);
}

.btn.ghost {
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.trust-strip span {
  padding: 8px 13px;
  color: #344054;
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
}

.hero-card {
  display: grid;
  gap: 18px;
}

.signal-card,
.metric-grid > div {
  background: rgba(255, 255, 255, .84);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.signal-card {
  position: relative;
  padding: 34px;
}

.pulse {
  display: block;
  width: 58px;
  height: 58px;
  margin-bottom: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--red) 0 26%, transparent 27%),
    radial-gradient(circle, rgba(228, 61, 48, .2) 0 48%, transparent 50%),
    radial-gradient(circle, rgba(20, 84, 212, .15) 0 70%, transparent 71%);
}

.signal-card strong {
  display: block;
  color: var(--navy);
  font-size: 24px;
}

.signal-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.metric-grid > div {
  padding: 24px;
}

.metric-grid strong {
  display: block;
  color: var(--blue);
  font-size: 42px;
  line-height: 1;
}

.metric-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 88px 0;
}

.intro {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: 54px;
  align-items: start;
}

.intro h2,
.section-heading h2,
.about h2,
.contact h2 {
  margin: 0;
  color: transparent;
  background: linear-gradient(135deg, #102a4c 0%, #1454d4 72%, #0aa7d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: clamp(27px, 2.55vw, 38px);
  line-height: 1.22;
  letter-spacing: -.03em;
}

.about h2.company-title {
  display: inline-block;
  color: transparent;
  background: linear-gradient(135deg, #123b72 0%, #1d6cff 48%, #0aa7d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 14px 30px rgba(29, 108, 255, .12);
}

.intro p:last-child {
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 18px;
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

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

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

.product-card {
  position: relative;
  min-height: 340px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 10px 30px rgba(11, 31, 58, .04);
}

.product-card.featured {
  color: var(--navy);
  background:
    radial-gradient(circle at 88% 12%, rgba(27, 167, 201, .18), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #edf6ff 58%, #eaf3ff 100%);
  border-color: rgba(20, 84, 212, .14);
  box-shadow: 0 18px 44px rgba(20, 84, 212, .12);
}

.product-card.wide {
  grid-column: span 3;
  min-height: auto;
  background:
    linear-gradient(135deg, rgba(20, 84, 212, .08), rgba(228, 61, 48, .08)),
    var(--white);
}

.order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--blue);
  background: #eef4ff;
  border-radius: 14px;
  font-weight: 900;
}

.featured .order {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.product-card h3 {
  margin: 22px 0 10px;
  color: inherit;
  font-size: 23px;
  letter-spacing: -.03em;
}

.product-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.featured p {
  color: #4b6382;
}

.featured li {
  color: #415976;
}

.featured li::before {
  background: var(--blue);
}

.product-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-card li {
  position: relative;
  margin-top: 9px;
  padding-left: 18px;
  color: #475467;
  font-size: 14px;
}

.product-card li::before {
  content: "";
  position: absolute;
  top: .7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.two-cols {
  columns: 2;
  column-gap: 40px;
}

.solutions {
  background: var(--white);
}

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

.solution-grid article {
  position: relative;
  overflow: hidden;
  padding: 28px;
  min-height: 230px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.98));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 14px 38px rgba(11, 31, 58, .06);
}

.solution-grid article:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(242,248,255,.98));
}

.solution-grid article:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(239,249,252,.98));
}

.solution-grid article:nth-child(4) {
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,246,245,.98));
}

.solution-grid article::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.solution-grid article:nth-child(2)::before {
  background: linear-gradient(90deg, #2f6edb, #64b5f6);
}

.solution-grid article:nth-child(3)::before {
  background: linear-gradient(90deg, #1590ad, #38c6d9);
}

.solution-grid article:nth-child(4)::before {
  background: linear-gradient(90deg, #e43d30, #f59e8f);
}

.solution-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  color: var(--blue);
  background: #eef4ff;
  border-radius: 16px;
  font-weight: 900;
}

.solution-grid article:nth-child(3) .solution-icon {
  color: #067a91;
  background: #e7f8fb;
}

.solution-grid article:nth-child(4) .solution-icon {
  color: var(--red);
  background: #fff0ee;
}

.solution-grid h3 {
  margin: 22px 0 14px;
  color: var(--navy);
  font-size: 21px;
}

.solution-grid p {
  margin: 0;
  color: var(--muted);
}

.cases {
  background:
    radial-gradient(circle at 12% 18%, rgba(20, 84, 212, .08), transparent 26%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

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

.case-grid article {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  padding: 28px;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(20, 84, 212, .12);
  border-radius: 28px;
  box-shadow: 0 18px 44px rgba(11, 31, 58, .07);
}

.case-grid article::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -44px;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: rgba(29, 108, 255, .08);
}

.case-grid article:nth-child(2)::after {
  background: rgba(10, 167, 217, .1);
}

.case-grid article:nth-child(3)::after {
  background: rgba(20, 84, 212, .08);
}

.case-grid article:nth-child(4)::after {
  background: rgba(228, 61, 48, .09);
}

.case-tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  color: var(--blue);
  background: #eef5ff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.case-grid h3 {
  margin: 24px 0 14px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.35;
}

.case-grid p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
}

.process {
  background:
    linear-gradient(180deg, #ffffff 0%, #f6f9fd 100%);
}

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

.process-grid article {
  position: relative;
  min-height: 220px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 14px 38px rgba(11, 31, 58, .06);
}

.process-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 14px;
  font-weight: 900;
}

.process-grid h3 {
  margin: 24px 0 12px;
  color: var(--navy);
  font-size: 22px;
}

.process-grid p {
  margin: 0;
  color: var(--muted);
}

.about {
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 44px;
  align-items: center;
}

.about p {
  color: var(--muted);
  font-size: 17px;
}

.about-panel {
  display: grid;
  gap: 12px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.about-panel strong {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 20px;
}

.about-panel span {
  padding: 13px 16px;
  color: #344054;
  background: var(--soft);
  border-radius: 16px;
}

.contact {
  padding-top: 0;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 36px;
  padding: 42px;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 0%, rgba(228, 61, 48, .35), transparent 30%),
    linear-gradient(135deg, var(--navy), #123b72);
  border-radius: 34px;
}

.contact-card h2,
.contact-card .section-kicker {
  color: var(--white);
}

.contact-card p {
  color: rgba(255, 255, 255, .76);
}

.contact-info {
  padding: 20px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 24px;
}

.contact-info p {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.contact-info p:last-child {
  border-bottom: 0;
}

.contact-info span {
  min-width: 54px;
  color: rgba(255, 255, 255, .55);
}

.footer {
  padding: 26px 0;
  color: #617089;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .92), rgba(237, 247, 255, .96)),
    #f3f8fd;
  border-top: 1px solid rgba(30, 108, 180, .12);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    padding: 14px 20px;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 74px 0;
  }

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

  .product-list,
  .solution-grid,
  .case-grid,
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-card.wide {
    grid-column: span 2;
  }
}

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

  .brand strong {
    font-size: 16px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .product-list,
  .solution-grid,
  .case-grid,
  .process-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .product-card.wide {
    grid-column: span 1;
  }

  .two-cols {
    columns: 1;
  }

  .section {
    padding: 64px 0;
  }

  .contact-card {
    padding: 28px;
  }

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