:root {
  color: oklch(24% 0.035 188);
  background: oklch(96% 0.018 185);
  --ink: oklch(24% 0.035 188);
  --ink-strong: oklch(18% 0.035 188);
  --muted: oklch(48% 0.026 190);
  --line: oklch(86% 0.023 185);
  --surface: oklch(99% 0.006 185);
  --surface-muted: oklch(95% 0.018 185);
  --accent: oklch(77% 0.13 156);
  --accent-strong: oklch(44% 0.11 162);
  --warning: oklch(58% 0.12 72);
  --nav: oklch(18% 0.048 194);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, oklch(99% 0.006 185), oklch(96% 0.018 185) 42rem);
}

a {
  color: inherit;
}

.site-shell {
  min-height: 100vh;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: var(--ink-strong);
  font-weight: 900;
}

.brand strong {
  display: block;
  line-height: 1.1;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.nav-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links .primary {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border: 1px solid oklch(64% 0.105 156);
  background: var(--accent);
  color: #112424;
  padding: 0 14px;
  border-radius: 7px;
}

.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 72px 20px 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border: 1px solid rgba(25, 117, 95, 0.3);
  background: rgba(128, 222, 143, 0.18);
  color: var(--accent-strong);
  padding: 0 10px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 850;
}

h1 {
  max-width: 10ch;
  margin: 22px 0 18px;
  color: var(--ink);
  font-size: 60px;
  line-height: 1.04;
  letter-spacing: 0;
}

.commercial-hero {
  grid-template-columns: minmax(0, 0.84fr) minmax(420px, 1.16fr);
  padding-top: 58px;
}

.hero p,
.page-header p {
  max-width: 66ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 0 16px;
  text-decoration: none;
  font-weight: 850;
  border-radius: 7px;
}

.button.primary {
  border-color: oklch(64% 0.105 156);
  background: var(--accent);
}

.console-preview {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 18px 44px oklch(22% 0.03 188 / 0.12);
}

.console-preview img {
  display: block;
  width: 100%;
  aspect-ratio: 1.86 / 1;
  object-fit: cover;
  object-position: left top;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.console-preview figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.proof-panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--nav);
  color: #ecfbf4;
  padding: 18px;
  border-radius: 8px;
}

.proof-panel strong,
.proof-panel span,
.proof-panel code {
  display: block;
}

.proof-panel header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.proof-panel header span {
  color: #a8bab8;
  font-size: 12px;
  font-weight: 800;
}

.proof-item {
  display: grid;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(0, 0, 0, 0.22);
  padding: 12px;
  border-radius: 7px;
}

.proof-list {
  display: grid;
  gap: 10px;
}

.proof-item span {
  color: #a8bab8;
  font-size: 12px;
}

.section,
.page-header {
  max-width: 1160px;
  margin: 0 auto;
  padding: 42px 20px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.section-heading p,
.split-section p,
.proof-band p {
  max-width: 68ch;
  color: var(--muted);
  line-height: 1.7;
}

.section h2,
.page-header h1 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 34px;
  letter-spacing: 0;
}

.page-header h1 {
  max-width: 16ch;
  font-size: 48px;
}

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

.capability-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(160px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.capability-strip article {
  min-width: 0;
  background: var(--surface);
  padding: 16px;
}

.capability-strip strong,
.capability-strip span {
  display: block;
}

.capability-strip strong {
  color: var(--ink-strong);
  line-height: 1.3;
}

.capability-strip span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 28px;
  align-items: start;
}

.plain-list {
  display: grid;
  gap: 12px;
}

.plain-list article {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.plain-list strong {
  display: block;
  color: var(--ink-strong);
  font-size: 18px;
  line-height: 1.35;
}

.plain-list p {
  margin: 7px 0 0;
}

.proof-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 20px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 22px;
  border-radius: 8px;
}

.proof-grid {
  display: grid;
  gap: 10px;
}

.proof-grid article {
  border: 1px solid var(--line);
  background: var(--surface-muted);
  padding: 13px;
  border-radius: 7px;
}

.proof-grid strong,
.proof-grid span {
  display: block;
}

.proof-grid span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

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

.price-plan {
  display: grid;
  gap: 12px;
  align-content: start;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 10px 24px oklch(22% 0.03 188 / 0.06);
}

.price-plan.featured {
  border-color: oklch(72% 0.095 156);
  background: oklch(97% 0.024 156);
}

.price-plan span {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 850;
}

.price-plan strong {
  color: var(--ink-strong);
  font-size: 28px;
  line-height: 1.2;
}

.price-plan p {
  color: var(--muted);
  line-height: 1.65;
}

.feature-card {
  display: grid;
  align-content: start;
  gap: 12px;
}

.text-link {
  color: var(--accent-strong);
  font-weight: 850;
  text-decoration: none;
}

.grid > *,
.steps > *,
.help-layout > *,
.hero > *,
.overview > * {
  min-width: 0;
}

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

.steps.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps article {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 40, 42, 0.06);
}

.steps span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid rgba(25, 117, 95, 0.24);
  background: rgba(128, 222, 143, 0.16);
  color: var(--accent-strong);
  padding: 0 9px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-top: 12px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.steps p {
  color: var(--muted);
  line-height: 1.65;
}

.help-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 14px;
  align-items: stretch;
}

.card,
.code-card,
.table-card,
.form-card {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(18, 40, 42, 0.06);
}

.card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.card p,
.card li,
.table-card p,
.form-card p {
  color: var(--muted);
  line-height: 1.65;
}

.card ul {
  padding-left: 18px;
}

.code-card {
  background: var(--nav);
  color: #ecfbf4;
}

.code-card.wide {
  margin-top: 14px;
}

.code-card span {
  display: block;
  margin-bottom: 10px;
  color: #a8bab8;
  font-size: 12px;
  font-weight: 850;
}

.code-card pre {
  max-width: 100%;
  margin: 0;
  overflow: auto;
  color: #cff7d9;
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.comparison {
  width: 100%;
  border-collapse: collapse;
}

.table-card {
  max-width: 100%;
  overflow-x: auto;
}

.comparison th,
.comparison td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

.comparison th {
  color: var(--ink);
  background: #f4faf8;
}

.comparison td {
  color: var(--muted);
  line-height: 1.6;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--ink);
  font-weight: 800;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 11px 12px;
  border-radius: 7px;
  font: inherit;
}

.field textarea {
  min-height: 112px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 34px 20px 48px;
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  color: var(--accent-strong);
  font-weight: 850;
  text-decoration: none;
}

@media (max-width: 840px) {
  body {
    overflow-x: hidden;
  }

  .site-nav,
  .hero,
  .overview,
  .grid,
  .steps,
  .steps.compact,
  .help-layout,
  .commercial-hero,
  .split-section,
  .proof-band,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .capability-strip {
    grid-template-columns: 1fr;
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    gap: 8px;
  }

  .nav-links a {
    min-height: 42px;
    border: 1px solid rgba(25, 117, 95, 0.12);
    background: rgba(251, 254, 253, 0.72);
    padding: 0 12px;
    border-radius: 7px;
  }

  .nav-links .primary {
    min-height: 42px;
  }

  h1 {
    font-size: 42px;
  }

  .page-header h1 {
    font-size: 36px;
  }

  .console-preview img {
    aspect-ratio: 1.3 / 1;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}