:root {
  --bg: #f5fbf8;
  --surface: #ffffff;
  --surface-soft: #eaf7f1;
  --ink: #0d3327;
  --muted: #4f6b61;
  --line: #cfe8dd;
  --accent: #12815f;
  --accent-strong: #0a644a;
  --accent-soft: #dff4eb;
  --warning: #8a5a11;
  --shadow: 0 24px 70px rgba(18, 129, 95, 0.13);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: var(--accent-strong);
  color: #fff;
  font-size: 14px;
}

.nav-links {
  justify-content: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.header-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 96px 20px 82px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(245, 251, 248, 0.96) 0%, rgba(245, 251, 248, 0.84) 42%, rgba(245, 251, 248, 0.42) 100%),
    radial-gradient(circle at 68% 38%, rgba(18, 129, 95, 0.13), transparent 34%),
    var(--bg);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(18, 129, 95, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 129, 95, 0.07) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, transparent 0%, black 34%, black 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-top: 30px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 620px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 68px);
  line-height: 0.96;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 45px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

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

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

.button-service {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #fff;
}

.button-service:hover {
  background: #084c39;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  max-width: 640px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 48px rgba(24, 52, 42, 0.08);
}

.trust-strip div {
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip dt {
  color: var(--muted);
  font-size: 12px;
}

.trust-strip dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.hero-board {
  position: absolute;
  inset: 78px 0 0;
  z-index: -1;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  transform: translateX(72px);
  pointer-events: none;
}

.route {
  position: absolute;
  right: 42px;
  width: min(52vw, 620px);
  height: 220px;
  border: 1px solid rgba(22, 117, 90, 0.24);
  border-left: 0;
  border-bottom: 0;
  border-radius: 0 8px 0 0;
}

.route::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 9px rgba(22, 117, 90, 0.12);
}

.route-a {
  top: 180px;
}

.route-b {
  top: 360px;
  width: min(44vw, 520px);
  transform: rotate(180deg);
  transform-origin: center;
}

.node,
.console-panel {
  position: absolute;
  display: grid;
  gap: 4px;
  min-width: 156px;
  padding: 16px;
  border: 1px solid rgba(18, 129, 95, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.node span,
.console-panel span {
  color: var(--muted);
  font-size: 12px;
}

.node strong,
.console-panel strong {
  font-size: 18px;
}

.node::before {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
}

.node-hq {
  top: 138px;
  right: 142px;
}

.node-branch {
  top: 315px;
  right: 438px;
}

.node-remote {
  top: 492px;
  right: 80px;
}

.console-panel {
  min-width: 190px;
  background: linear-gradient(135deg, rgba(10, 100, 74, 0.94), rgba(18, 129, 95, 0.9));
  color: #fff;
}

.console-panel span {
  color: rgba(255, 255, 255, 0.68);
}

.panel-access {
  top: 222px;
  right: 380px;
}

.panel-audit {
  top: 420px;
  right: 280px;
}

.panel-risk {
  top: 94px;
  right: 360px;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 50px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
}

.intro-section {
  padding-top: 80px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.scenario-card p,
.feature-list p,
.process-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.card-index {
  display: inline-block;
  margin-bottom: 56px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1fr);
  gap: 64px;
  align-items: start;
}

.sticky-copy {
  position: sticky;
  top: 100px;
  margin-bottom: 0;
}

.sticky-copy p:not(.eyebrow) {
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list article {
  padding: 28px;
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(24, 52, 42, 0.06);
}

.compliance-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 1fr);
  gap: 46px;
  align-items: stretch;
  width: 100%;
  max-width: none;
  padding: 96px max(20px, calc((100vw - 1180px) / 2));
  background: linear-gradient(135deg, #0a644a 0%, #12815f 100%);
  color: #fff;
}

.compliance-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.compliance-checklist {
  display: grid;
  gap: 12px;
}

.compliance-checklist div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.compliance-checklist span {
  color: #8ed8bd;
  font-weight: 800;
}

.compliance-checklist p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  list-style: none;
  background: var(--line);
}

.process-list li {
  padding: 24px;
  background: var(--surface);
}

.process-list span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 48px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.process-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.download-section {
  padding-top: 0px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.download-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  min-height: 310px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(24, 52, 42, 0.06);
}

.download-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.download-card .button {
  width: fit-content;
}

.download-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 850;
}

.support-card {
  border-color: rgba(18, 129, 95, 0.24);
  background: linear-gradient(135deg, #0a644a 0%, #12815f 100%);
  color: #fff;
}

.support-card p {
  color: rgba(255, 255, 255, 0.72);
}

.support-card .download-icon {
  background: rgba(255, 255, 255, 0.11);
  color: #8ed8bd;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(340px, 1fr);
  gap: 52px;
  align-items: start;
}

.privacy-note {
  max-width: 560px;
  margin-top: 26px;
  padding: 14px 16px;
  border: 1px solid rgba(138, 90, 17, 0.2);
  border-radius: var(--radius);
  background: rgba(138, 90, 17, 0.06);
  color: var(--warning);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}

input:focus,
select:focus {
  outline: 3px solid rgba(22, 117, 90, 0.16);
  border-color: var(--accent);
}

.checkbox-label {
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.checkbox-label input {
  min-height: auto;
  margin-top: 4px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--accent-strong);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 4px 0 0;
}

.footer-links {
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-board {
    opacity: 0.52;
    transform: translateX(110px);
  }

  .scenario-grid,
  .process-list,
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-section,
  .compliance-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .sticky-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(calc(100% - 28px), 1180px);
    padding: 14px 0;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 86px 14px 62px;
  }

  .hero::after {
    mask-image: none;
  }

  .hero-board {
    display: none;
  }

  h1 {
    font-size: 48px;
  }

  h2,
  .hero-copy,
  .lead,
  .section p {
    word-break: break-all;
  }

  .hero-content,
  .section-header,
  .lead {
    max-width: none;
  }

  .hero-content {
    width: calc(100vw - 28px);
    max-width: 340px;
    margin-right: 0;
    margin-left: 0;
  }

  .section-header,
  .lead {
    width: min(calc(100vw - 28px), 340px);
  }

  .hero-copy,
  .lead {
    font-size: 16px;
  }

  .trust-strip,
  .scenario-grid,
  .process-list,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }

  .section {
    width: min(calc(100% - 28px), 1180px);
    padding: 62px 0;
  }

  .compliance-section {
    width: 100%;
    padding: 68px 14px;
  }

  .scenario-card {
    min-height: auto;
  }

  .download-card {
    min-height: auto;
  }

  .card-index,
  .process-list span {
    margin-bottom: 28px;
  }

  .contact-form {
    padding: 20px;
  }

  .site-footer {
    width: min(calc(100% - 28px), 1180px);
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}