:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #f0f4fb;
  --line: #dbe2ee;
  --text: #1c2837;
  --muted: #667184;
  --brand: #123c73;
  --brand-soft: #1f62a8;
  --brand-2: #36abc7;
  --ink: #ffffff;
  --radius: 18px;
  --radius-lg: 24px;
  --shadow: 0 24px 60px rgba(20, 31, 49, 0.14);
  --shadow-sm: 0 10px 28px rgba(20, 31, 49, 0.1);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(var(--max), calc(100% - 56px));
  margin: 0 auto;
}

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

h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
  font-weight: 780;
}

h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: 0;
  font-weight: 760;
}

h3 {
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.2;
  font-weight: 700;
}

p {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 226, 238, 0.88);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand,
.footer-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  overflow: hidden;
}

.logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
  line-height: 1.2;
}

.brand-copy strong {
  display: block;
  font-size: 16px;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.brand-copy small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  color: #263347;
  font-size: 14px;
  font-weight: 620;
  padding: 12px 16px;
  border-radius: 12px;
  transition: 160ms ease;
}

.nav a:hover {
  color: var(--brand-soft);
  background: #f0f5ff;
}

.nav-cta {
  padding: 11px 18px !important;
  margin-left: 8px;
  color: #fff !important;
  background: var(--brand);
  border: 1px solid rgba(18, 60, 115, 0.25);
  box-shadow: 0 8px 20px rgba(18, 60, 115, 0.2);
}

.nav-cta:hover {
  background: var(--brand-soft);
}

.menu-toggle {
  display: none;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 99px;
  margin: 6px 0;
  background: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0;
  background:
    radial-gradient(circle at 80% 0%, rgba(54, 171, 199, 0.18), transparent 38%),
    radial-gradient(circle at 0% 75%, rgba(18, 60, 115, 0.1), transparent 35%),
    linear-gradient(165deg, #fdfefe 0%, #edf3fc 52%, #eaf0f8 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-bottom: 1px solid rgba(219, 226, 238, 0.75);
}

.hero::after {
  content: "";
  position: absolute;
  width: 680px;
  aspect-ratio: 1;
  border-radius: 50%;
  right: -250px;
  top: -80px;
  background: radial-gradient(circle, rgba(18, 60, 115, 0.22), transparent 72%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  gap: 56px;
  align-items: center;
}

.hero-copy-main,
.hero-showcase {
  min-width: 0;
}

.eyebrow,
.section-head span,
.contact-box span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brand);
  background: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-head span::before,
.contact-box span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-2);
}

.lead {
  margin-top: 22px;
  color: #4e5d74;
  font-size: 20px;
  line-height: 1.7;
  max-width: 640px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  border-radius: 12px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.18s ease;
}

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

.button-primary {
  color: #fff;
  background: var(--brand);
  box-shadow: var(--shadow-sm);
}

.button-primary:hover {
  background: #0f3b75;
}

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

.button-secondary:hover {
  color: var(--brand-soft);
  background: #f2f7ff;
}

.hero-note {
  margin-top: 16px;
  color: #7d8ca4;
  font-size: 13px;
}

.hero-showcase {
  position: relative;
  width: 100%;
  min-height: 460px;
  perspective: 900px;
}

.showcase-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

.showcase-frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid #dde6f2;
  box-shadow: var(--shadow);
  background: #fff;
}

.primary-shot {
  position: absolute;
  top: 0;
  right: 8%;
  width: 72%;
  height: 290px;
  z-index: 2;
  transform: rotate(-2deg);
}

.floating-shot {
  position: absolute;
  width: 56%;
  height: 160px;
  z-index: 1;
}

.shot-a {
  left: -4%;
  bottom: 6px;
  transform: rotate(4deg);
}

.shot-b {
  right: 2%;
  bottom: 48px;
  transform: rotate(-3deg);
}

.showcase-card {
  position: absolute;
  left: 18px;
  top: 22px;
  width: min(290px, 60%);
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.showcase-card strong,
.showcase-card span {
  display: block;
}

.showcase-card strong {
  font-size: 21px;
  color: var(--text);
}

.showcase-card span {
  margin-top: 7px;
  color: #667188;
  font-size: 13px;
}

.cred-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.cred-item {
  min-height: 106px;
  border-right: 1px solid var(--line);
  padding: 20px;
  display: grid;
  align-content: center;
  gap: 5px;
  background: #fff;
}

.cred-item:last-child {
  border-right: 0;
}

.cred-item span {
  color: #8c9cb5;
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
}

.cred-item strong {
  color: var(--text);
  font-size: 16px;
  letter-spacing: 0;
}

.section {
  padding: 90px 0;
}

.section-soft {
  background: #eff4fb;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 3.2vw, 42px);
}

.section-head p {
  margin-top: 12px;
  color: #627086;
  font-size: 17px;
}

.ecosystem-head p {
  margin-left: auto;
  margin-right: auto;
  max-width: 760px;
}

.product-ecosystem {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #14254a 0%, #1f3a6e 48%, #1d4f83 100%);
  color: #fff;
}

.product-ecosystem::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06), transparent 32%, rgba(255, 255, 255, 0.03));
}

.product-ecosystem .container {
  position: relative;
  z-index: 1;
}

.product-ecosystem .section-head span {
  color: #a6d1ff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
}

.product-ecosystem .section-head span::before {
  background: #8ce0ee;
}

.product-ecosystem h2,
.product-ecosystem h3 {
  color: #fff;
}

.product-ecosystem p {
  color: rgba(255, 255, 255, 0.84);
}

.ecosystem-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  gap: 20px;
}

.ecosystem-map,
.product-line {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(10px);
  box-shadow: 0 22px 60px rgba(4, 10, 24, 0.24);
}

.ecosystem-map {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.map-label,
.product-kicker {
  display: inline-flex;
  width: fit-content;
  padding: 7px 12px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: #0f1f3a;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.ecosystem-map h3,
.product-line h3 {
  margin-top: 5px;
  color: #fff;
  line-height: 1.2;
}

.ecosystem-map p,
.product-line p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.84);
}

.logic-steps {
  margin-top: auto;
  display: grid;
  gap: 12px;
  padding-top: 26px;
}

.logic-steps div {
  position: relative;
  min-height: 86px;
  border-radius: 13px;
  padding: 16px 16px 16px 66px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.logic-steps div span {
  position: absolute;
  left: 16px;
  top: 16px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #ffffff;
  color: #122b56;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.logic-steps strong,
.logic-steps small {
  display: block;
}

.logic-steps small {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.product-lines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-content: start;
}

.product-line {
  min-height: 500px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  color: #fff;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.product-line:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(4, 10, 24, 0.3);
}

.product-line-ai {
  background:
    radial-gradient(circle at 87% 12%, rgba(121, 210, 238, 0.28), transparent 36%),
    rgba(255, 255, 255, 0.09);
}

.product-line-claw {
  background:
    radial-gradient(circle at 87% 12%, rgba(54, 171, 199, 0.25), transparent 36%),
    rgba(255, 255, 255, 0.09);
}

.product-line ul {
  margin-top: 16px;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.product-line li {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.82);
}

.product-line li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}

.product-link {
  margin-top: auto;
  color: #fff;
  font-weight: 700;
  padding-top: 18px;
}

.cards,
.snapshot-grid,
.steps,
.pricing-grid {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.scenario-grid article,
.snapshot-card,
.steps article,
.price-card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  padding: 28px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
}

.pill {
  width: fit-content;
  margin-bottom: 14px;
  border: 1px solid #c6d7ef;
  border-radius: 999px;
  color: #174a8f;
  background: #edf4ff;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
  text-transform: uppercase;
}

.feature-card p,
.steps p,
.snapshot-card p,
.price-card p {
  color: #5d6e86;
}

.feature-card ul,
.price-card ul {
  margin-top: auto;
  margin-bottom: 0;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}

.feature-card li,
.price-card li {
  position: relative;
  padding-left: 18px;
  color: #5d6e86;
  font-size: 14px;
}

.feature-card li::before,
.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-2);
}

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

.scenario-grid article {
  padding: 22px;
}

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

.snapshot-card {
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.snapshot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.snapshot-image {
  border-bottom: 1px solid var(--line);
  background: #f2f5fa;
  width: 100%;
  height: 208px;
  object-fit: cover;
  object-position: top left;
}

.snapshot-card h3,
.snapshot-card p {
  margin-left: 18px;
  margin-right: 18px;
}

.snapshot-card h3 {
  margin-top: 18px;
}

.snapshot-card p {
  margin-bottom: 18px;
}

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

.steps article {
  padding: 22px;
}

.steps span {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: #fff;
  background: linear-gradient(130deg, var(--brand), var(--brand-2));
  font-weight: 700;
}

.pricing-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.price-card {
  min-height: 390px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: #79d1ff;
  background: linear-gradient(180deg, #fff 0%, #f0f8ff 100%);
}

.price-card > span {
  color: #6c7f9d;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.price {
  margin-top: 13px;
  font-size: 38px;
  line-height: 1;
  font-weight: 800;
}

.price small {
  font-size: 14px;
  color: #8693a7;
}

.price.custom {
  font-size: 28px;
}

.pricing-note {
  max-width: 880px;
  margin: 26px auto 0;
  text-align: center;
  color: #5f6e84;
  font-size: 14px;
}

.contact-section {
  padding-top: 45px;
}

.contact-box {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 56px 36px;
  background: linear-gradient(180deg, #fff 0%, #f4f8fd 100%);
  box-shadow: var(--shadow);
}

.contact-box h2 {
  margin-top: 10px;
  font-size: clamp(26px, 3.2vw, 40px);
}

.contact-box p {
  margin-top: 16px;
  color: #8290a7;
}

.footer {
  background: #0f213f;
  color: rgba(255, 255, 255, 0.82);
  padding: 56px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 38px;
}

.footer strong {
  color: #fff;
  font-size: 17px;
}

.footer-brand {
  color: #fff;
}

.footer .brand-copy small {
  color: rgba(255, 255, 255, 0.58);
}

.footer h4 {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-grid > div:nth-child(n + 2) a,
.footer-grid > div:nth-child(n + 2) span {
  display: block;
  margin-bottom: 9px;
  color: rgba(255, 255, 255, 0.81);
  font-size: 14px;
}

.footer-grid p {
  color: rgba(255, 255, 255, 0.66);
  margin-top: 14px;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.52);
  font-size: 12.5px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: rgba(9, 16, 28, 0.84);
  backdrop-filter: blur(8px);
}

.modal.open {
  display: flex;
}

.modal-panel {
  position: relative;
  width: min(1260px, 100%);
  max-height: calc(100vh - 54px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: #0e1f34;
}

.modal-panel button {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 22px;
  line-height: 1;
}

.modal-preview {
  min-height: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.modal-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.modal-panel h3 {
  margin: 14px 4px 4px;
  color: #fff;
}

@media (max-width: 1160px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-showcase {
    min-height: 460px;
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
  }

  .ecosystem-layout {
    grid-template-columns: 1fr;
  }

  .product-lines {
    grid-template-columns: 1fr;
  }

  .cards-3,
  .snapshot-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .container {
    width: min(var(--max), calc(100% - 32px));
  }

  .brand-copy small {
    display: none;
  }

  .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 10px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px;
  }

  .menu-toggle {
    display: block;
  }

  .header-inner {
    min-height: 72px;
    padding: 10px 0;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .brand-copy strong {
    font-size: 15px;
    line-height: 1.25;
  }

  .hero {
    padding-top: 76px;
    padding-bottom: 62px;
  }

  .hero-showcase {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    min-height: 0;
    height: auto;
    perspective: none;
  }

  .hero-showcase .showcase-frame,
  .hero-showcase .showcase-card {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    transform: none;
  }

  .hero-showcase .showcase-frame {
    aspect-ratio: 16 / 11;
  }

  .hero-showcase .primary-shot,
  .hero-showcase .showcase-card {
    grid-column: 1 / -1;
  }

  .hero-showcase .primary-shot {
    aspect-ratio: 16 / 10;
  }

  .hero-showcase .showcase-card {
    padding: 18px;
  }

  .hero-showcase .showcase-card span {
    font-size: 14px;
  }

  .primary-shot {
    width: 100%;
  }

  .hero-note,
  .lead {
    font-size: 17px;
  }

  .cred-grid,
  .pricing-grid,
  .steps,
  .footer-grid,
  .scenario-grid,
  .snapshot-grid,
  .cards-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .cred-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-3,
  .snapshot-grid,
  .scenario-grid,
  .steps,
  .pricing-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cred-item {
    min-height: 108px;
    padding: 16px 14px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .cred-item:nth-child(2n) {
    border-right: 0;
  }

  .cred-item:nth-child(n + 3) {
    border-bottom: 0;
  }

  .cred-item span {
    font-size: 12px;
  }

  .cred-item strong {
    font-size: 15px;
    line-height: 1.45;
  }

  .hero {
    padding: 64px 0 48px;
  }

  h1 {
    font-size: 32px;
    line-height: 1.2;
  }

  .button {
    width: 100%;
  }

  .contact-box {
    padding: 34px 18px;
  }

  .section {
    padding: 70px 0;
  }

  .modal-panel {
    max-height: calc(100vh - 20px);
  }
}

@media (max-width: 380px) {
  .cred-grid {
    grid-template-columns: 1fr;
  }

  .cred-item,
  .cred-item:nth-child(2n) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .cred-item:last-child {
    border-bottom: 0;
  }
}