:root {
  color-scheme: light;
  --ink: #10131a;
  --muted: #596273;
  --line: #dfe4ec;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --deep: #07111f;
  --blue: #0a84ff;
  --green: #11a36a;
  --orange: #f59b2f;
  --shadow: 0 18px 48px rgba(16, 19, 26, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 72px;
  border-bottom: 1px solid rgba(223, 228, 236, 0.72);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  font-size: 20px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: 0 10px 24px rgba(10, 132, 255, 0.22);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #323846;
  font-size: 14px;
}

.nav-links a {
  padding: 8px 0;
}

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

.nav-cta {
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 82svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(7, 17, 31, 0.88), rgba(7, 17, 31, 0.5) 47%, rgba(7, 17, 31, 0.1)), url("main_bg.png");
  background-size: cover;
  background-position: center;
}

.hero-content {
  position: relative;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 78px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: #b9d7ff;
  font-size: 14px;
  font-weight: 680;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--blue);
}

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

h1 {
  max-width: 740px;
  margin-bottom: 20px;
  font-size: clamp(54px, 8vw, 96px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.48;
}

.company-hero h1 {
  max-width: 960px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1;
}

.company-hero .hero-lede {
  max-width: 760px;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 680;
  line-height: 1.2;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--blue);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.08);
}

.button.dark {
  color: #fff;
  background: var(--ink);
}

.button.light {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.hero-meta {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 170px));
  gap: 16px;
}

.metric {
  padding-left: 14px;
  border-left: 3px solid var(--orange);
}

.metric strong {
  display: block;
  font-size: 22px;
  line-height: 1.2;
}

.metric span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.section {
  padding: 82px 0;
}

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

.section.deep {
  color: #fff;
  background: #0b1626;
}

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

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.28;
  letter-spacing: 0;
}

.section-heading p,
.lead {
  color: var(--muted);
  font-size: 18px;
}

.deep .section-heading p,
.deep .lead {
  color: rgba(255, 255, 255, 0.72);
}

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

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

.feature-card,
.audience-card,
.contact-panel,
.company-panel,
.product-detail {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 19, 26, 0.05);
}

.feature-card {
  padding: 22px;
}

.icon-tile {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #ebf4ff;
}

.icon-tile img,
.icon-tile svg {
  width: 24px;
  height: 24px;
}

.feature-card p,
.audience-card p,
.contact-panel p,
.product-detail p,
.content-page li {
  color: var(--muted);
}

.company-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: start;
}

.company-panel {
  padding: 26px;
}

.product-showcase {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: stretch;
}

.product-visual {
  min-height: 420px;
  border-radius: 8px;
  overflow: hidden;
  background: #10131a;
  box-shadow: var(--shadow);
}

.product-visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.product-detail {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-label {
  width: fit-content;
  margin-bottom: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--blue);
  background: #eaf4ff;
  font-size: 13px;
  font-weight: 760;
}

.product-detail h3 {
  font-size: clamp(34px, 5vw, 56px);
}

.product-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.product-points span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #323846;
  background: #fff;
  font-size: 14px;
  font-weight: 640;
}

.workflow {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.workflow-visual {
  min-height: 440px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #10131a;
}

.workflow-visual img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

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

.step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(223, 228, 236, 0.8);
}

.step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 760;
  background: var(--green);
}

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

.audience-card {
  padding: 24px;
}

.compliance-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.contact-panel {
  padding: 26px;
}

.contact-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

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

.contact-row span:first-child {
  color: var(--muted);
}

.content-hero {
  padding: 76px 0 54px;
  color: #fff;
  background: #0b1626;
}

.content-hero .container {
  max-width: 900px;
}

.content-hero h1 {
  margin-bottom: 16px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.02;
}

.content-hero p {
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.content-page {
  max-width: 900px;
  padding: 54px 0 84px;
}

.content-page section {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.content-page section:last-child {
  border-bottom: 0;
}

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

.content-page ul {
  padding-left: 22px;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: #596273;
  background: #fff;
  font-size: 14px;
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-note {
  margin-top: 10px;
}

@media (max-width: 920px) {
  .nav {
    width: min(100% - 28px, 760px);
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero-content,
  .container {
    width: min(100% - 28px, 760px);
  }

  .hero {
    min-height: 80svh;
  }

  .hero::before {
    background-image: linear-gradient(180deg, rgba(7, 17, 31, 0.9), rgba(7, 17, 31, 0.56)), url("main_bg.png");
  }

  .hero-meta,
  .feature-grid,
  .feature-grid.three,
  .audience-grid,
  .workflow,
  .company-grid,
  .product-showcase,
  .compliance-band,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .workflow-visual,
  .workflow-visual img,
  .product-visual,
  .product-visual img {
    min-height: 320px;
  }
}

@media (max-width: 560px) {
  .site-header {
    height: 64px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  h1 {
    font-size: 52px;
  }

  .company-hero h1 {
    font-size: 39px;
  }

  .hero-content {
    padding: 56px 0;
  }

  .hero-actions,
  .inline-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-meta {
    margin-top: 34px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}