:root {
  --bg: #eef4fb;
  --bg-strong: #ffffff;
  --bg-soft: #f6f9fd;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-muted: #f3f7fc;
  --border: rgba(25, 53, 88, 0.12);
  --border-strong: rgba(25, 53, 88, 0.18);
  --text: #11253d;
  --muted: #62758d;
  --blue: #387fff;
  --primary: #2f6df6;
  --primary-strong: #1f56ce;
  --accent: #11b492;
  --code-bg: #101a2b;
  --code-text: #edf4ff;
  --shadow: 0 24px 60px rgba(24, 54, 90, 0.08);
  --shadow-soft: 0 14px 36px rgba(24, 54, 90, 0.06);
  --radius-lg: 24px;
  --radius-md: 18px;
  --header-height: 76px;
  --sidebar-width: 290px;
  --toc-width: 250px;
  --font: "Avenir Next", "PingFang SC", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
  --page-bg:
    radial-gradient(circle at 16% 0%, rgba(47, 109, 246, 0.11), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(17, 180, 146, 0.1), transparent 18%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
}

html[data-theme="dark"] {
  --bg: #08111f;
  --bg-strong: #0c1728;
  --bg-soft: #0f1c31;
  --surface: rgba(12, 23, 40, 0.86);
  --surface-strong: #101c2f;
  --surface-muted: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef4ff;
  --muted: #93a4bf;
  --primary: #76a0ff;
  --primary-strong: #94b6ff;
  --accent: #30d4af;
  --code-bg: #050b15;
  --code-text: #edf4ff;
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.24);
  --page-bg:
    radial-gradient(circle at 16% 0%, rgba(118, 160, 255, 0.14), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(48, 212, 175, 0.12), transparent 18%),
    linear-gradient(180deg, #08111f 0%, #0b1627 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: transparent;
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-height: 100vh;
  padding-top: 72px;
  font-family: var(--font);
  color: var(--text);
  background: transparent;
  transition: color 0.25s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 72px 0 0;
  z-index: -1;
  pointer-events: none;
  background: var(--page-bg);
  transition: background 0.25s ease;
}

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

img {
  max-width: 100%;
  height: auto;
}

.docs-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg-strong) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.docs-header.is-scrolled {
  border-color: var(--border);
}

.docs-header-inner {
  width: min(1360px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.docs-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.docs-brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--primary));
}

.docs-brand-text {
  font-weight: 700;
  font-size: 1rem;
}

.docs-top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.docs-top-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.docs-top-nav a:hover,
.docs-top-nav a.is-active {
  color: var(--text);
}

.docs-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.docs-theme-toggle,
.docs-menu-toggle {
  border: 1px solid var(--border);
  background: var(--surface-muted);
  border-radius: 999px;
}

.docs-theme-toggle {
  width: 38px;
  height: 38px;
}

.docs-menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  position: relative;
}

.docs-menu-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.docs-menu-toggle span:nth-child(1) {
  top: 13px;
}

.docs-menu-toggle span:nth-child(2) {
  top: 20px;
}

.docs-menu-toggle span:nth-child(3) {
  top: 27px;
}

.docs-layout {
  width: min(1360px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 26px;
  padding: 28px 0 44px;
}

.docs-sidebar {
  min-width: 0;
}

.docs-sidebar-inner {
  position: sticky;
  top: calc(var(--header-height) + 18px);
  max-height: calc(100vh - var(--header-height) - 32px);
  overflow: auto;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.docs-sidebar-head {
  padding-bottom: 18px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.docs-sidebar-head p,
.docs-outline-head p,
.docs-kicker {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
}

.docs-sidebar-head h1 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.docs-sidebar-head span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

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

.docs-tab {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  text-align: left;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.docs-tab:hover {
  background: var(--surface-muted);
  border-color: var(--border);
}

.docs-tab.is-active {
  background: var(--bg-strong);
  border-color: color-mix(in srgb, var(--primary) 20%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 14%, transparent);
}

.docs-tab strong,
.docs-tab span {
  display: block;
}

.docs-tab strong {
  font-size: 0.98rem;
}

.docs-tab span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.docs-sidebar-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.docs-main {
  min-width: 0;
}

.docs-article-shell {
  min-width: 0;
}

.docs-article-head {
  margin-bottom: 18px;
  padding: 26px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent), var(--surface));
  box-shadow: var(--shadow-soft);
}

.docs-article-head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -0.04em;
}

.docs-summary {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 760px;
}

.docs-article-grid {
  display: block;
}

.docs-article-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.docs-article-body {
  padding: 34px;
}

.docs-outline-head {
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.docs-outline-head strong {
  display: block;
  font-size: 1rem;
}

.docs-outline {
  display: grid;
  gap: 6px;
}

.docs-outline a {
  display: block;
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
  transition: background 0.2s ease, color 0.2s ease;
}

.docs-outline a:hover,
.docs-outline a.is-active {
  color: var(--text);
  background: var(--surface-muted);
}

.docs-outline a.depth-3 {
  margin-left: 14px;
  font-size: 0.85rem;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  scroll-margin-top: calc(var(--header-height) + 20px);
  line-height: 1.24;
}

.markdown-body h1 {
  margin: 0 0 20px;
  font-size: 2.2rem;
  letter-spacing: -0.04em;
}

.markdown-body h2 {
  margin: 44px 0 16px;
  padding-top: 4px;
  font-size: 1.56rem;
  letter-spacing: -0.03em;
}

.markdown-body h3 {
  margin: 28px 0 12px;
  font-size: 1.18rem;
}

.markdown-body h4 {
  margin: 22px 0 10px;
  font-size: 1rem;
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote {
  font-size: 0.98rem;
  line-height: 1.84;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body table,
.markdown-body hr {
  margin: 0 0 18px;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 22px;
}

.markdown-body li + li {
  margin-top: 8px;
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--border);
}

.markdown-body blockquote {
  padding: 14px 18px;
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  background: var(--surface-muted);
  color: var(--muted);
}

.markdown-body a {
  color: var(--primary);
}

.markdown-body a:hover {
  color: var(--primary-strong);
}

.markdown-body code:not(pre code) {
  padding: 0.18rem 0.42rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-muted) 88%, transparent);
  font-size: 0.88em;
}

.markdown-body img {
  display: block;
  margin: 18px auto 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.markdown-body th,
.markdown-body td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.markdown-body th {
  background: var(--surface-muted);
}

.markdown-body tr:last-child td {
  border-bottom: 0;
}

.code-block {
  margin: 0 0 20px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--code-bg) 26%, var(--border));
  border-radius: 18px;
  background: var(--code-bg);
  box-shadow: var(--shadow-soft);
}

.code-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(237, 244, 255, 0.88);
  background: rgba(255, 255, 255, 0.04);
}

.code-block-head span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.copy-code {
  padding: 7px 12px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.82rem;
}

.copy-code.is-copied {
  background: rgba(17, 180, 146, 0.9);
}

.code-block pre {
  margin: 0;
  padding: 18px 20px 20px;
  overflow: auto;
}

.code-block code {
  display: block;
  color: var(--code-text);
  font-size: 0.9rem;
  line-height: 1.72;
}

@media (max-width: 940px) {
  .docs-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .docs-sidebar {
    position: fixed;
    inset: var(--header-height) auto 0 0;
    width: min(86vw, 320px);
    z-index: 35;
    transform: translateX(-104%);
    transition: transform 0.24s ease;
  }

  .docs-sidebar.is-open {
    transform: translateX(0);
  }

  .docs-sidebar-inner {
    top: 0;
    max-height: 100%;
    min-height: 100%;
    border-radius: 0 24px 24px 0;
  }

  .docs-menu-toggle {
    display: inline-block;
  }
}

@media (max-width: 720px) {
  .docs-header-inner,
  .docs-layout {
    width: min(100%, calc(100% - 20px));
  }

  .docs-top-nav {
    display: none;
  }

  .docs-article-head,
  .docs-article-body {
    padding-left: 18px;
    padding-right: 18px;
  }

  .docs-article-body {
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .markdown-body h1 {
    font-size: 1.8rem;
  }
}