:root {
  --navy: #071b36;
  --navy-2: #0d2a4c;
  --blue: #2477d4;
  --green: #002960;
  --green-2: #0f8558;
  --gold: #c9a45a;
  --ink: #102033;
  --text: #34465c;
  --muted: #65788f;
  --line: #dce6ef;
  --paper: #f6f9fc;
  --white: #ffffff;
  --soft-blue: #e8f2ff;
  --soft-green: #e7f6ef;
  --shadow: 0 18px 42px rgba(7, 27, 54, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 230, 239, 0.85);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--green));
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

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

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  padding: 8px 0;
}

.nav-cta {
  padding: 9px 16px !important;
  border-radius: 6px;
  color: var(--white);
  background: var(--green);
}

.section {
  padding: 86px 0;
  background: var(--white);
}

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

.section-dark {
  color: var(--white);
  background: var(--navy);
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  padding: 92px 0 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(7, 27, 54, 0.98), rgba(7, 27, 54, 0.88) 52%, rgb(0 41 96)), radial-gradient(circle at 82% 12%, rgb(0 41 96), transparent 28%), linear-gradient(135deg, transparent 0 58%, rgba(36, 119, 212, 0.16) 58% 60%, transparent 60%), repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 96px)
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.72fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 800;
}

.section-dark .eyebrow,
.invert .eyebrow,
.cta-section .eyebrow {
  color: #4896ff;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  color: var(--white);
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 24px;
  color: var(--ink);
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1.22;
  font-weight: 820;
  letter-spacing: 0;
}

h3 {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.32;
  font-weight: 800;
}

.hero-lead {
  max-width: 780px;
  margin-bottom: 34px;
  color: #c8d8e8;
  font-size: 21px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.btn.primary {
  color: var(--white);
  background: var(--green);
}

.btn.ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.btn.download {
  color: var(--navy);
  background: var(--white);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-strip span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  color: #d7e7f5;
  font-size: 13px;
}

.hero-visual {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
}

.visual-top {
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.visual-top span {
  display: block;
  color: #4896ff;
  font-size: 15px;
  font-weight: 800;
}

.visual-top strong {
  display: block;
  margin-top: 10px;
  color: var(--white);
  font-size: 27px;
  line-height: 1.25;
}

.visual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 24px 0;
}

.visual-grid div {
  min-height: 112px;
  padding: 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
}

.visual-grid b,
.visual-grid span {
  display: block;
}

.visual-grid b {
  margin-bottom: 8px;
  color: var(--white);
  font-size: 18px;
}

.visual-grid span {
  color: #c8d8e8;
  font-size: 14px;
}

.visual-footer {
  padding: 18px;
  border-radius: 6px;
  color: var(--white);
  background: var(--green);
  font-weight: 800;
  text-align: center;
}

.proof-band {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.proof-grid div {
  padding: 28px 18px;
  border-right: 1px solid var(--line);
}

.proof-grid div:first-child {
  border-left: 1px solid var(--line);
}

.proof-grid strong {
  display: block;
  color: var(--green);
  font-size: 34px;
  line-height: 1.12;
  font-weight: 850;
}

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

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.2fr);
  gap: 72px;
}

.section-heading h2 {
  max-width: 560px;
}

.section-heading.wide {
  max-width: 880px;
  margin-bottom: 42px;
}

.section-heading.wide h2 {
  max-width: none;
}

.rich-text p,
.credential-list p,
.support-copy p,
.partner-columns p,
.cta-section p {
  color: var(--text);
  font-size: 18px;
}

.pain-grid,
.benefit-grid,
.product-grid,
.model-grid {
  display: grid;
  gap: 20px;
}

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

.pain-grid article,
.benefit-grid article,
.product-grid article,
.model-grid article,
.partner-columns > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.pain-grid article {
  min-height: 220px;
  padding: 24px;
}

.pain-grid h3,
.benefit-grid h3,
.product-grid h3,
.model-grid h3,
.partner-columns h3 {
  margin-bottom: 12px;
}

.pain-grid p,
.benefit-grid p,
.product-grid p,
.model-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.callout {
  margin-top: 28px;
  padding: 24px 28px;
  border-left: 6px solid var(--green);
  border-radius: 8px;
  color: var(--ink);
  background: #d4e0f1;
  font-size: 24px;
  line-height: 1.45;
}

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

.benefit-grid article {
  min-height: 245px;
  padding: 26px;
}

.benefit-grid span {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--blue);
  font-size: 18px;
  font-weight: 850;
}

.navy-panel {
  color: #d7e7f5;
  background: var(--navy);
}

.navy-panel h2,
.navy-panel h3 {
  color: var(--white);
}

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

.product-grid article {
  min-height: 360px;
  padding: 30px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.product-grid p {
  color: #d7e7f5;
  font-size: 17px;
}

.product-grid span {
  display: block;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #5fa3ff;
  font-weight: 700;
}

.credential-list {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 46px;
}

.support-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.support-list li {
  position: relative;
  padding: 14px 16px 14px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  font-weight: 700;
}

.support-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--green);
}

.partner-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.partner-columns > div {
  padding: 30px;
}

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

.model-grid article {
  min-height: 220px;
  padding: 24px;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process li {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
}

.process span {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 16px;
}

.compliance {
  background: #f9fbfd;
}

.cta-section {
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(7, 27, 54, 0.98), rgba(13, 42, 76, 0.94)),
    radial-gradient(circle at 85% 20%, rgba(22, 160, 106, 0.34), transparent 28%);
}

.cta-section h2,
.cta-section p {
  color: var(--white);
}

.apply-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: 58px;
  align-items: start;
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 34px;
}

.contact-lines span {
  color: #c8d8e8;
  font-size: 18px;
  font-weight: 700;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.lead-form label {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  background: var(--paper);
}

.lead-form textarea {
  resize: vertical;
}

.lead-form .full,
.lead-form button,
.lead-form p {
  grid-column: 1 / -1;
}

.lead-form button {
  min-height: 48px;
  border: 0;
  border-radius: 6px;
  color: var(--white);
  background: var(--green);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.lead-form p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  padding: 34px 0;
  color: #c8d8e8;
  background: #051326;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: center;
}

.footer strong {
  color: var(--white);
}

@media (max-width: 1020px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero-grid,
  .split,
  .support-layout,
  .apply-grid {
    grid-template-columns: 1fr;
  }

  .pain-grid,
  .benefit-grid,
  .product-grid,
  .model-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-grid,
  .process {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-grid div {
    border-bottom: 1px solid var(--line);
  }
}

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

  .site-header {
    position: static;
    padding: 14px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 64px 0 50px;
  }

  .section {
    padding: 58px 0;
  }

  .hero-lead,
  .rich-text p,
  .credential-list p,
  .support-copy p,
  .partner-columns p,
  .cta-section p {
    font-size: 16px;
  }

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

  .btn {
    width: 100%;
  }

  .visual-grid,
  .pain-grid,
  .benefit-grid,
  .product-grid,
  .model-grid,
  .support-list,
  .partner-columns,
  .proof-grid,
  .process,
  .lead-form {
    grid-template-columns: 1fr;
  }

  .proof-grid div,
  .proof-grid div:first-child {
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .callout {
    font-size: 20px;
  }

  .product-grid article,
  .benefit-grid article,
  .pain-grid article,
  .model-grid article {
    min-height: auto;
  }
}
