:root {
  color-scheme: light; --text: #182238; --muted: #66748c; --line: #e2e8f2;
  --soft: #f5f7fc; --paper: #ffffff; --blue: #465ddd; --tint: #edf1ff;
  --code-bg: #152136; --code-text: #dbe6ff; --sidebar-width: 236px;
  --shadow: 0 2px 5px #18223803, 0 12px 26px -22px #26395d35;
  --ease: cubic-bezier(.22,.7,.25,1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 14px; line-height: 1.85; color: var(--text); background: var(--soft);
}
html.dark {
  color-scheme: dark; --text: #edf2ff; --muted: #a4b1c8; --line: #2b3a52;
  --soft: #101722; --paper: #182335; --blue: #a7b7ff; --tint: #253555;
  --code-bg: #0d1728; --code-text: #dbe6ff;
  --shadow: 0 2px 5px #0000000a, 0 14px 30px -24px #0009;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 98px; }
body { margin: 0; padding-left: var(--sidebar-width); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 65%, transparent); outline-offset: 4px; }
::selection { background: color-mix(in srgb, var(--blue) 22%, transparent); }
h1, h2, h3 { line-height: 1.45; letter-spacing: -.025em; color: var(--text); }
h1 { font-size: clamp(29px,3.2vw,43px); font-weight: 650; margin: 12px 0 16px; letter-spacing: -.045em; }
h2 { font-size: 22px; font-weight: 650; margin: 0 0 19px; display: flex; align-items: flex-start; gap: 12px; }
h3 { font-size: 15px; font-weight: 650; margin: 24px 0 10px; }
p { margin: 0 0 16px; color: var(--muted); }
ul, ol { margin: 13px 0 18px; padding-left: 22px; color: var(--muted); }
li { margin: 8px 0; padding-left: 3px; }
li::marker { color: var(--blue); font-weight: 600; }
strong { font-weight: 650; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code { font-size: .9em; padding: 3px 6px; background: var(--soft); border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); border-radius: 5px; color: var(--text); overflow-wrap: anywhere; }
pre { margin: 0; padding: 21px; background: var(--code-bg); color: var(--code-text); font-size: 12px; line-height: 1.95; white-space: pre-wrap; overflow-wrap: anywhere; overflow: auto; tab-size: 2; }
pre code { padding: 0; border: 0; background: none; color: inherit; font-size: inherit; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar-width); padding: 29px 16px 24px; background: var(--soft); border-right: 1px solid var(--line); display: flex; flex-direction: column; z-index: 20; }
.brand { display: flex; gap: 11px; align-items: center; padding: 0 12px; font-weight: 650; font-size: 19px; color: var(--text); line-height: 1.4; }
.brand:hover { color: var(--text); }
.brand img { width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0; }
.brand small { display: block; margin-top: 4px; font-size: 8px; font-weight: 550; letter-spacing: .25em; color: var(--muted); }
.caption { color: var(--muted); font-size: 10px; font-weight: 550; letter-spacing: .055em; margin: 33px 12px 10px; }
.sidebar nav { display: grid; gap: 5px; }
.sidebar nav a { position: relative; padding: 10px 12px; border: 1px solid transparent; border-radius: 10px; color: var(--muted); font-size: 12px; transition: background-color .18s ease, color .18s ease, border-color .18s ease; }
.sidebar nav a:hover { background: var(--tint); color: var(--blue); }
.sidebar nav a[aria-current="page"] { background: var(--tint); color: var(--blue); border-color: color-mix(in srgb, var(--blue) 11%, transparent); font-weight: 650; }
.sidebar nav a[aria-current="page"]::before { content: ""; position: absolute; top: 12px; bottom: 12px; left: 0; width: 2px; border-radius: 2px; background: var(--blue); }
.sidebar footer { margin-top: auto; padding: 22px 12px 0; font-size: 10px; line-height: 1.9; color: var(--muted); }
.sidebar footer::before { content: ""; display: block; width: 27px; height: 2px; margin-bottom: 13px; background: var(--blue); border-radius: 2px; opacity: .5; }
.topbar { height: 70px; padding: 0 38px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; position: sticky; top: 0; z-index: 10; background: var(--paper); font-size: 11px; }
.topbar > span { color: var(--muted); }
.topbar strong { color: var(--text); font-weight: 550; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar a, .docs-theme { display: inline-flex; align-items: center; justify-content: center; min-height: 35px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); padding: 5px 12px; color: var(--muted); font-size: 11px; transition: color .18s, background .18s, border-color .18s; }
.docs-theme { width: 36px; padding: 0; }
.topbar a:hover, .docs-theme:hover { background: var(--tint); color: var(--blue); border-color: color-mix(in srgb,var(--blue) 25%,var(--line)); }
.theme-sun, .dark .theme-moon { display: none; }
.dark .theme-sun { display: block; }
.wrap { max-width: 1320px; margin: 0 auto; padding: 32px 38px 60px; }
.hero { position: relative; isolation: isolate; overflow: hidden; padding: 38px 36px; margin-bottom: 31px; border: 1px solid color-mix(in srgb, var(--blue) 14%, var(--line)); border-radius: 18px; background: linear-gradient(112deg, var(--tint), var(--paper) 80%); box-shadow: var(--shadow); }
.hero::before { content: ""; position: absolute; z-index: -1; width: 310px; height: 310px; right: -72px; top: -105px; border: 1px solid color-mix(in srgb, var(--blue) 13%, transparent); border-radius: 50%; box-shadow: 0 0 0 32px color-mix(in srgb,var(--blue) 3%,transparent), 0 0 0 65px color-mix(in srgb,var(--blue) 2%,transparent); pointer-events: none; }
.hero::after { content: ""; position: absolute; z-index: -1; width: 220px; height: 120px; right: 34px; bottom: 0; background-image: radial-gradient(color-mix(in srgb,var(--blue) 18%,transparent) .8px,transparent .8px); background-size: 14px 14px; mask-image: linear-gradient(90deg,transparent,#000); opacity: .6; pointer-events: none; }
.eyebrow { color: var(--blue); font-size: 9px; font-weight: 650; letter-spacing: .2em; line-height: 1.6; }
.hero p { max-width: 650px; margin-bottom: 0; font-size: 13px; line-height: 1.95; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 39px; padding: 9px 15px; background: var(--paper); color: var(--text); border: 1px solid var(--line); border-radius: 10px; font-size: 11px; font-weight: 550; line-height: 1.6; transition: transform .2s var(--ease), background-color .18s, border-color .18s, box-shadow .2s; }
.button.primary { color: #fff; background: var(--blue); border-color: var(--blue); box-shadow: 0 5px 13px -8px var(--blue); }
.dark .button.primary { color: #172340; }
.button:hover { color: var(--blue); border-color: var(--blue); transform: translateY(-2px); box-shadow: 0 6px 16px -10px color-mix(in srgb,var(--blue) 50%,transparent); }
.button.primary:hover { color: #fff; }
.dark .button.primary:hover { color: #172340; }
.button:active { transform: translateY(0); }
.layout { display: grid; grid-template-columns: minmax(0,1fr) 160px; align-items: start; gap: 30px; }
.content { min-width: 0; display: grid; gap: 24px; counter-reset: doc-section; }
.panel { min-width: 0; padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: var(--shadow); counter-increment: doc-section; }
.panel h2::before { content: counter(doc-section,decimal-leading-zero); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 27px; height: 27px; margin-top: 2px; border: 1px solid color-mix(in srgb,var(--blue) 13%,var(--line)); background: var(--tint); border-radius: 8px; color: var(--blue); font-family: "SFMono-Regular",Consolas,monospace; font-size: 10px; font-weight: 550; letter-spacing: -.02em; line-height: 1; }
.panel > :last-child { margin-bottom: 0; }
.toc { position: sticky; top: 98px; display: grid; gap: 3px; padding: 0 0 0 13px; border-left: 1px solid var(--line); font-size: 10px; line-height: 1.8; color: var(--muted); }
.toc strong { padding: 3px 9px; margin-bottom: 10px; color: var(--text); font-weight: 600; }
.toc a { padding: 6px 9px; border-radius: 6px; transition: color .18s, background-color .18s; }
.toc a:hover, .toc a[aria-current="location"] { color: var(--blue); background: var(--tint); }
.toc a[aria-current="location"] { font-weight: 600; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cards article { min-width: 0; padding: 21px; border: 1px solid var(--line); border-radius: 13px; background: var(--soft); }
.cards h3 { margin: 0 0 9px; font-size: 16px; }
.cards p { font-size: 12px; }
.cards .button { margin-top: 6px; margin-right: 4px; min-height: 35px; padding: 8px 11px; font-size: 10px; }
.code-card { overflow: hidden; margin: 17px 0; background: var(--paper); border: 1px solid var(--line); border-radius: 11px; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--soft); font-size: 11px; line-height: 1.6; }
.code-head strong { display: inline-flex; align-items: center; gap: 8px; font-weight: 550; }
.code-head strong::before { content: "›_"; color: var(--muted); font-family: "SFMono-Regular",Consolas,monospace; font-size: 10px; opacity: .8; }
.copy { min-width: 58px; min-height: 30px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); color: var(--text); font-size: 10px; line-height: 1.5; transition: color .18s, background .18s, border-color .18s; }
.copy:hover { color: var(--blue); border-color: var(--blue); }
.copy[data-copy-state="success"] { color: #227a5c; border-color: #b6ddcd; background: #effaf5; }
.dark .copy[data-copy-state="success"] { color: #99dec2; background: #173a32; border-color: #366455; }
.copy:active { transform: translateY(1px); }
.note { margin: 16px 0; padding: 15px 17px; border: 1px solid var(--line); border-left: 3px solid color-mix(in srgb,var(--blue) 45%,var(--line)); border-radius: 8px; background: var(--soft); color: var(--muted); font-size: 12px; line-height: 1.9; }
.note.success { border-color: color-mix(in srgb,#419b7e 20%,var(--line)); border-left-color: #419b7e; background: color-mix(in srgb,#419b7e 7%,var(--paper)); color: #2c7c62; }
.dark .note.success { color: #97d8bf; }
.table-wrap { margin: 17px 0; border: 1px solid var(--line); border-radius: 10px; overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; line-height: 1.85; }
th, td { text-align: left; padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .025em; }
td { color: var(--muted); }
th:first-child, td:first-child { width: 25%; color: var(--text); }
tr:last-child td { border-bottom: 0; }
.inline-link { color: var(--blue); text-decoration: underline; text-decoration-color: color-mix(in srgb,var(--blue) 35%,transparent); text-underline-offset: 4px; transition: text-decoration-color .18s; }
.inline-link:hover { text-decoration-color: var(--blue); }
details { margin: 19px 0 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--soft); }
summary { cursor: pointer; color: var(--text); font-weight: 550; font-size: 12px; }
summary::marker { color: var(--blue); }
details[open] summary { margin-bottom: 13px; }
details p { font-size: 12px; }
.updated { margin: 26px 0 0; padding-left: 2px; color: var(--muted); font-size: 10px; }
.skip { position: fixed; left: 12px; top: -100px; z-index: 100; padding: 11px 18px; background: var(--text); color: var(--paper); border-radius: 8px; }
.skip:focus { top: 12px; color: var(--paper); }
.status { position: fixed; bottom: 24px; left: calc(50% + var(--sidebar-width)/2); z-index: 40; max-width: calc(100vw - 32px); padding: 11px 18px; transform: translateX(-50%); background: var(--text); color: var(--paper); border-radius: 10px; box-shadow: 0 8px 30px #14234425; font-size: 12px; text-align: center; }
.status:empty { display: none; }
@media (prefers-reduced-motion:no-preference) {
  .hero { animation: docs-arrive .55s var(--ease) both; }
  .panel.is-revealed { animation: docs-arrive .5s var(--ease) both; }
  .status:not(:empty) { animation: docs-status-in .2s var(--ease) both; }
  @keyframes docs-arrive { from { opacity: .55; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes docs-status-in { from { opacity: 0; translate: 0 5px; } to { opacity: 1; translate: 0 0; } }
}
@media (max-width:1200px) {
  :root { --sidebar-width: 220px; }
  .wrap { padding-inline: 27px; }
  .topbar { padding-inline: 27px; }
  .layout { grid-template-columns: minmax(0,1fr) 145px; gap: 22px; }
  .panel { padding: 25px; }
  .cards { grid-template-columns: 1fr; }
}
@media (max-width:1050px) {
  .layout { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .toc { position: static; display: flex; align-items: center; gap: 5px; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); overflow-x: auto; scrollbar-width: thin; grid-row: 1; }
  .toc strong { display: none; }
  .toc a { flex-shrink: 0; white-space: nowrap; font-size: 11px; padding: 6px 9px; }
  .content { grid-row: 2; }
}
@media (max-width:840px) {
  :root { --sidebar-width: 0px; }
  html { scroll-padding-top: 132px; }
  body { padding-left: 0; }
  .sidebar { position: sticky; top: 0; width: 100%; padding: 15px 20px 10px; border-right: 0; border-bottom: 1px solid var(--line); display: block; background: var(--paper); }
  .brand { padding: 0; font-size: 16px; gap: 9px; }
  .brand img { width: 29px; height: 29px; border-radius: 8px; }
  .brand small { display: inline; margin: 0 0 0 9px; font-size: 8px; }
  .caption, .sidebar footer, .sidebar nav.account { display: none; }
  .sidebar nav { display: flex; overflow-x: auto; scrollbar-width: none; gap: 5px; margin-top: 12px; }
  .sidebar nav a { flex-shrink: 0; padding: 8px 10px; min-height: 38px; white-space: nowrap; font-size: 11px; border-radius: 8px; }
  .sidebar nav a[aria-current="page"]::before { display: none; }
  .topbar { position: static; height: 58px; padding-inline: 22px; font-size: 10px; background: var(--soft); }
  .topbar-actions { gap: 7px; }
  .wrap { padding: 24px 22px 46px; }
  .hero { padding: 28px; margin-bottom: 23px; }
  .hero h1 { font-size: 34px; }
  .panel { padding: 25px; }
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width:600px) {
  .sidebar { padding-inline: 17px; }
  .topbar { padding-inline: 18px; gap: 9px; }
  .topbar > span { font-size: 10px; }
  .topbar a { padding-inline: 9px; font-size: 10px; }
  .docs-theme { width: 34px; }
  .wrap { padding: 18px 16px 38px; }
  .hero { padding: 25px 22px; border-radius: 16px; margin-bottom: 19px; }
  .hero h1 { margin: 13px 0; font-size: 30px; line-height: 1.45; }
  .hero p { font-size: 12px; line-height: 1.9; }
  .hero::before { right: -190px; opacity: .55; }
  .hero::after { right: -90px; opacity: .35; }
  .eyebrow { font-size: 8px; letter-spacing: .17em; }
  .actions { gap: 8px; margin-top: 20px; }
  .button { font-size: 11px; min-height: 39px; padding: 9px 12px; }
  .layout { gap: 17px; }
  .content { gap: 18px; }
  .panel { padding: 22px 18px; border-radius: 14px; }
  h2 { gap: 9px; font-size: 19px; margin-bottom: 17px; }
  .panel h2::before { width: 24px; height: 24px; font-size: 9px; margin-top: 1px; border-radius: 7px; }
  .panel p, .panel ul, .panel ol { font-size: 12px; line-height: 1.9; }
  .cards { grid-template-columns: 1fr; gap: 12px; }
  .cards article { padding: 18px; }
  .cards h3 { font-size: 15px; }
  .code-head { padding: 9px 11px; font-size: 10px; gap: 8px; }
  .code-head strong { gap: 6px; }
  pre { padding: 16px; font-size: 11px; }
  .copy { min-height: 32px; padding-inline: 9px; }
  .note { padding: 13px; font-size: 11px; }
  th, td { padding: 10px 11px; }
  td { font-size: 11px; }
  th:first-child, td:first-child { width: 30%; }
  .updated { margin-top: 21px; font-size: 9px; }
  .status { bottom: 18px; font-size: 11px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button:hover, .copy:active { transform: none; }
}