:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --surface: #ffffff;
  --surface-soft: #f8f9ff;
  --surface-accent: linear-gradient(180deg, #f7f5ff 0%, #ffffff 100%);
  --line: rgba(15, 23, 42, 0.08);
  --ink: #1a1a1a;
  --muted: #64748b;
  --primary: #7c3aed;
  --primary-dark: #1a1a2e;
  --primary-soft: rgba(124, 58, 237, 0.1);
  --success: #10b981;
  --warning: #f59e0b;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1200px;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  overflow-y: scroll;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.08), transparent 22%),
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.06), transparent 24%),
    var(--bg);
}

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

button,
input,
textarea {
  font: inherit;
}

pre,
code {
  font-family: var(--font-mono);
}

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

.site-header,
.site-main,
.site-footer {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 360px;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
  padding: 16px 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.04em;
  justify-self: start;
}

.site-brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #5b45ff 0%, #8b5cf6 100%);
  box-shadow: 0 0 0 6px rgba(124, 58, 237, 0.12);
}

.site-brand span:last-child {
  color: var(--primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: center;
}

.site-nav a {
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  transition: 160ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
  background: rgba(248, 250, 252, 0.92);
  box-shadow: inset 0 0 0 1px var(--line);
}

.site-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  width: 100%;
  justify-self: end;
}

.site-actions-console {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.locale-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.locale-link:hover {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 14px 28px rgba(124, 58, 237, 0.24);
}

.button-secondary {
  color: var(--ink);
  background: #f5f6fa;
  box-shadow: inset 0 0 0 1px var(--line);
}

.button-ghost {
  color: var(--muted);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
}

.button-header {
  min-width: 92px;
  padding: 0 18px;
}

.site-header-console {
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #3c4257;
  font-size: 15px;
  font-weight: 600;
}

.profile-avatar {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  box-shadow:
    0 0 0 3px #ffffff,
    0 0 0 4px rgba(124, 58, 237, 0.16);
}

.site-main {
  padding-top: 28px;
  padding-bottom: 48px;
}

.page-stack {
  display: grid;
  gap: 28px;
}

.hero {
  padding: 28px;
  border-radius: 36px;
  background: var(--surface-accent);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  min-height: 460px;
  padding: 22px;
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, rgba(196, 181, 253, 0.38), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 216, 177, 0.36), transparent 30%),
    linear-gradient(180deg, #f6f3ff 0%, #fff8f1 100%);
}

.window {
  display: grid;
  gap: 14px;
  height: 100%;
}

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

.window-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.16);
}

.visual-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  flex: 1;
}

.panel,
.terminal,
.mini-card,
.metric,
.scene-card,
.doc-card,
.toc-card,
.skill-card,
.pricing-card,
.faq-card,
.auth-card,
.preview-card,
.console-card,
.cta-banner {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.panel {
  padding: 18px;
}

.mini-stack {
  display: grid;
  gap: 14px;
}

.mini-card {
  padding: 16px;
}

.mini-card h4,
.scene-card h3,
.doc-card h3,
.skill-card h3,
.pricing-card h3,
.auth-card h2,
.preview-card h3,
.console-card h3,
.faq-card h3,
.section-title h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.mini-card p,
.scene-card p,
.doc-card p,
.skill-card p,
.pricing-card p,
.auth-card p,
.preview-card p,
.console-card p,
.faq-card p,
.section-title p,
.hero-copy p,
.footer-subtitle,
.toc-list li,
.meta-list li {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.terminal {
  padding: 18px;
  color: #dbe4ff;
  background: linear-gradient(180deg, #1a1a2e 0%, #101827 100%);
}

.terminal code {
  display: block;
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.8;
}

.hero-copy {
  padding: 12px 8px 12px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
}

.eyebrow-soft {
  color: #c4b5fd;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-copy h1 span,
.section-title h2 span,
.site-brand .accent {
  color: var(--primary);
}

.hero-copy p {
  margin-top: 20px;
  max-width: 480px;
  font-size: 18px;
}

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

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 13px;
  font-weight: 500;
}

.section {
  display: grid;
  gap: 22px;
}

.section-heading {
  max-width: 760px;
}

.section-title {
  display: grid;
  gap: 10px;
}

.section-title h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  padding: 20px 22px;
}

.metric strong {
  display: block;
  font-size: 34px;
  letter-spacing: -0.05em;
}

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

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.scene-card,
.doc-card,
.toc-card,
.skill-card,
.pricing-card,
.faq-card,
.auth-card,
.preview-card,
.console-card,
.cta-banner {
  padding: 22px;
}

.scene-card {
  min-height: 220px;
  background:
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.08), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #fbfbff 100%);
}

.scene-card h3 {
  margin-top: 14px;
  font-size: 20px;
}

.scene-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 18px;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: 18px;
  font-weight: 800;
}

.step-card h3 {
  margin: 18px 0 10px;
  font-size: 20px;
}

.step-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.docs-layout,
.skills-layout,
.pricing-layout,
.login-layout,
.console-layout {
  display: grid;
  gap: 20px;
}

.docs-layout {
  grid-template-columns: 300px minmax(0, 1fr);
}

.toc-card {
  position: sticky;
  top: 96px;
  align-self: start;
}

.toc-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.toc-list a {
  color: var(--muted);
}

.doc-stack,
.console-stack {
  display: grid;
  gap: 18px;
}

.doc-card h3,
.console-card h3,
.preview-card h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

.doc-card .card-actions {
  margin-top: 18px;
}

.code-block {
  margin-top: 16px;
  overflow: hidden;
  border-radius: 20px;
  background: #1a1a2e;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.04);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.copy-button {
  min-height: auto;
  padding: 8px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.08);
  font-size: 12px;
}

.code-block pre {
  margin: 0;
  padding: 18px 18px 20px;
  overflow-x: auto;
  color: #a5b4fc;
  font-size: 13px;
  line-height: 1.8;
}

.doc-grid,
.skill-grid,
.pricing-grid,
.console-grid,
.preview-grid {
  display: grid;
  gap: 16px;
}

.doc-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.skill-card {
  display: grid;
  gap: 14px;
}

.skill-card-top,
.pricing-card-top,
.console-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge-primary {
  color: var(--primary);
  background: var(--primary-soft);
}

.badge-success {
  color: var(--success);
  background: rgba(16, 185, 129, 0.12);
}

.badge-warning {
  color: var(--warning);
  background: rgba(245, 158, 11, 0.12);
}

.meta-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.meta-list strong {
  color: var(--ink);
}

.meta-list-spaced {
  margin-top: 16px;
}

.meta-list-spaced-lg {
  margin-top: 18px;
}

.spotlight {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.spotlight-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface-accent);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.pricing-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.credits-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
}

.pricing-card {
  display: grid;
  gap: 16px;
}

.pricing-card-primary {
  background: var(--surface-accent);
}

.price-line {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.price-line strong {
  font-size: 44px;
  letter-spacing: -0.06em;
}

.price-line span {
  color: var(--muted);
}

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

.faq-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.credits-pack,
.usage-board,
.gate-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.credits-pack {
  color: #fff;
  background: linear-gradient(180deg, #18162f 0%, #35265f 100%);
}

.credits-pack h3,
.usage-board h3,
.gate-card h1 {
  margin: 0;
  letter-spacing: -0.04em;
}

.credits-pack p,
.usage-board p,
.gate-card p {
  margin: 0;
  line-height: 1.7;
}

.credits-pack p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.credits-tier-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.credits-tier {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.credits-tier strong,
.usage-item strong {
  display: block;
}

.credits-tier span,
.usage-item span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
}

.credits-tier span {
  color: rgba(255, 255, 255, 0.7);
}

.credits-tier em,
.usage-item em {
  font-style: normal;
  font-weight: 700;
  white-space: nowrap;
}

.credits-tier em {
  font-size: 22px;
}

.usage-board {
  background: var(--surface);
}

.usage-board h3 {
  font-size: 30px;
}

.usage-board p {
  margin-top: 14px;
  color: var(--muted);
}

.usage-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.usage-group h4 {
  margin: 0 0 14px;
  font-size: 16px;
}

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

.usage-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.gate-shell {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 230px);
}

.gate-card {
  width: min(100%, 760px);
  text-align: center;
  background: linear-gradient(180deg, #f8f6ff 0%, #ffffff 100%);
}

.gate-card h1 {
  margin-top: 14px;
  font-size: clamp(2.6rem, 5vw, 4.4rem);
}

.gate-card p {
  margin: 16px auto 0;
  max-width: 520px;
  font-size: 18px;
  color: var(--muted);
}

.gate-card .hero-actions {
  justify-content: center;
  margin-top: 28px;
}

.login-layout {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.auth-card {
  background: var(--surface-accent);
}

.auth-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 14px;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  outline: none;
}

.helper-text {
  color: var(--muted);
  font-size: 13px;
}

.preview-grid,
.console-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.console-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.console-banner {
  padding: 24px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.16), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f8f7ff 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.console-banner h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  letter-spacing: -0.05em;
}

.console-banner p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.console-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.console-kpi {
  padding: 18px;
  border-radius: 20px;
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
}

.console-kpi strong {
  display: block;
  font-size: 28px;
  letter-spacing: -0.05em;
}

.console-kpi span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.console-dashboard {
  display: grid;
  gap: 34px;
  padding-top: 26px;
}

.console-heading h1 {
  margin: 0;
  font-size: clamp(3.6rem, 8vw, 5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.console-heading p {
  margin: 22px 0 0;
  max-width: 720px;
  color: #7184a6;
  font-size: 19px;
  line-height: 1.7;
}

.console-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.console-stat-card {
  min-height: 220px;
  padding: 34px 30px;
  border: 1px solid #dce5f2;
  border-radius: 28px;
  background: #fbfcff;
}

.console-stat-label,
.secret-label {
  color: #8ea0bf;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.console-stat-card strong {
  display: block;
  margin-top: 34px;
  font-size: 58px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.console-stat-card span {
  display: block;
  margin-top: 28px;
  color: #8ea0bf;
  font-size: 15px;
}

.secret-panel {
  padding: 18px 0;
  border: 1px solid #dce5f2;
  border-radius: 28px;
  background: #fbfcff;
}

.secret-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
}

.secret-copy {
  min-width: 0;
}

.secret-value {
  margin-top: 12px;
  color: #1b1f2a;
  font-size: 19px;
  line-height: 1.55;
  word-break: break-all;
}

.secret-divider {
  height: 1px;
  margin: 0 28px;
  background: #dce5f2;
}

.console-install-card {
  overflow: hidden;
  border-radius: 30px;
  background: linear-gradient(180deg, #17182d 0%, #1d2140 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.console-install-card .code-head {
  padding: 16px 22px;
}

.console-install-card pre {
  margin: 0;
  padding: 26px 28px 30px;
  overflow-x: auto;
  color: #c1ccff;
  font-size: 15px;
  line-height: 2;
}

.cta-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
}

.site-footer {
  padding: 18px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .hero-grid,
  .docs-layout,
  .skills-layout,
  .pricing-layout,
  .credits-layout,
  .login-layout,
  .console-layout,
  .spotlight {
    grid-template-columns: 1fr;
  }

  .scene-grid,
  .step-grid,
  .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toc-card {
    position: static;
  }

  .console-kpis,
  .console-stats-grid,
  .stat-row,
  .usage-columns,
  .preview-grid,
  .console-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-main,
  .site-footer {
    width: min(calc(100% - 20px), var(--container));
  }

  .footer-grid,
  .cta-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .site-header {
    padding: 14px 16px;
    border-radius: 28px;
  }

  .site-nav,
  .site-actions {
    flex-wrap: wrap;
  }

  .site-actions-console {
    padding-left: 0;
    border-left: 0;
  }

  .hero,
  .scene-card,
  .doc-card,
  .toc-card,
  .skill-card,
  .pricing-card,
  .credits-pack,
  .usage-board,
  .faq-card,
  .auth-card,
  .preview-card,
  .console-card,
  .console-banner,
  .gate-card,
  .cta-banner {
    padding: 18px;
  }

  .hero-visual {
    min-height: 320px;
  }

  .hero-copy h1,
  .console-banner h1 {
    font-size: clamp(2.3rem, 10vw, 3.4rem);
  }

  .scene-grid,
  .step-grid,
  .doc-grid,
  .skill-grid,
  .console-kpis,
  .console-stats-grid,
  .stat-row,
  .usage-columns,
  .preview-grid,
  .console-grid {
    grid-template-columns: 1fr;
  }

  .secret-row {
    flex-direction: column;
    align-items: stretch;
  }
}