:root {
  --ant-blue: #1F4BFF;        
  --ant-blue-deep: #0A1FD6;   
  --ant-blue-light: #0A8CFF;  
  --ant-ink: #0B1020;         
  --ant-slate: #4B5563;       
  --ant-surface: #FFFFFF;     
  --ant-mist: #F3F6FF;        
  --ant-line: #E3E8F5;        
  --ant-success: #12B76A;     
  --ant-warning: #F79009;
  --ant-error: #F04438;
  --ant-gradient: linear-gradient(120deg, var(--ant-blue-light) 0%, var(--ant-blue-deep) 100%);
  --ant-on-blue: #FFFFFF;
  --ant-on-blue-soft: #D9E6FF;
  --ant-font-display: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ant-font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ant-font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --ant-text-xs: 0.8125rem;
  --ant-text-sm: 0.9375rem;
  --ant-text-md: 1.0625rem;
  --ant-text-lg: 1.25rem;
  --ant-text-xl: 1.75rem;
  --ant-text-2xl: 2.5rem;
  --ant-text-3xl: 3.5rem;
  --ant-leading-tight: 1.1;
  --ant-leading-body: 1.6;
  --ant-radius: 12px;
  --ant-radius-sm: 8px;
  --ant-radius-lg: 20px;
  --ant-radius-pill: 999px;
  --ant-shadow-sm: 0 1px 2px rgba(11, 16, 32, 0.06);
  --ant-shadow: 0 8px 24px rgba(31, 75, 255, 0.08), 0 1px 2px rgba(11, 16, 32, 0.05);
  --ant-shadow-lg: 0 24px 60px rgba(31, 75, 255, 0.14), 0 2px 6px rgba(11, 16, 32, 0.06);
  --ant-space-1: 4px;
  --ant-space-2: 8px;
  --ant-space-3: 12px;
  --ant-space-4: 16px;
  --ant-space-6: 24px;
  --ant-space-8: 32px;
  --ant-space-12: 48px;
  --ant-space-16: 64px;
  --ant-space-24: 96px;
  --ant-container: 1120px;
}

/* developer.antpay.network. AntPay tokens (brand/tokens.css) are inlined above this file by tools/build-dev.mjs. */
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("fonts/plus-jakarta-sans-latin.woff2?v=153fc85b") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("fonts/inter-latin.woff2?v=3100e775") format("woff2"); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; font-family: var(--ant-font-body); font-size: 1rem; line-height: 1.65; color: var(--ant-ink); background: var(--ant-surface); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ant-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ant-blue-deep); }
:focus-visible { outline: 3px solid var(--ant-blue-light); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ant-ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }

.top { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.94); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--ant-line); }
.top .in { max-width: 1240px; margin: 0 auto; padding: 0 20px; height: 64px; display: flex; align-items: center; gap: 14px; }
.top .logo img { height: 26px; width: auto; }
.top .tag { font-family: var(--ant-font-display); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ant-blue); background: var(--ant-mist); border: 1px solid var(--ant-line); padding: 4px 10px; border-radius: 999px; }
.top .grow { flex: 1; }
.top .ext { font-size: 0.9375rem; color: var(--ant-slate); text-decoration: none; }
.top .ext:hover { color: var(--ant-blue); }

.shell { max-width: 1240px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 48px; }
.side { position: sticky; top: 64px; align-self: start; height: calc(100vh - 64px); overflow-y: auto; padding: 28px 0 40px; border-right: 1px solid var(--ant-line); }
.side h2 { font-family: var(--ant-font-display); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ant-slate); margin: 0 0 8px; font-weight: 700; }
.side ul { list-style: none; margin: 0 0 22px; padding: 0; }
.side a { display: block; padding: 7px 12px; margin-right: 16px; border-radius: 8px; color: var(--ant-ink); text-decoration: none; font-size: 0.9375rem; }
.side a:hover { background: var(--ant-mist); color: var(--ant-blue-deep); }
.side a[aria-current="page"] { background: var(--ant-mist); color: var(--ant-blue); font-weight: 600; box-shadow: inset 3px 0 0 var(--ant-blue); }
.side .base { margin: 0 16px 0 0; padding: 12px; background: var(--ant-mist); border: 1px solid var(--ant-line); border-radius: 10px; font-size: 0.8125rem; color: var(--ant-slate); }
.side .base code { display: block; margin-top: 4px; color: var(--ant-ink); font-size: 0.78rem; word-break: break-all; background: none; border: 0; padding: 0; }

main { padding: 40px 0 80px; min-width: 0; max-width: 860px; }
.eyebrow { font-family: var(--ant-font-display); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ant-blue); margin: 0 0 10px; }
h1, h2, h3 { font-family: var(--ant-font-display); letter-spacing: -0.02em; line-height: 1.15; color: var(--ant-ink); }
h1 { font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 800; margin: 0 0 14px; }
.lead { font-size: 1.1875rem; color: var(--ant-slate); margin: 0 0 8px; max-width: 46em; }
h2 { font-size: 1.5rem; font-weight: 700; margin: 52px 0 14px; padding-top: 28px; border-top: 1px solid var(--ant-line); }
h3 { font-size: 1.125rem; font-weight: 700; margin: 34px 0 10px; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 18px; padding-left: 22px; }
li { margin: 0 0 8px; }
.small { font-size: 0.875rem; color: var(--ant-slate); }
code { font-family: var(--ant-font-mono); font-size: 0.86em; background: var(--ant-mist); border: 1px solid var(--ant-line); border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }

ol.steps { list-style: none; counter-reset: step; padding: 0; margin: 0 0 22px; }
ol.steps li { counter-increment: step; position: relative; padding: 4px 0 14px 52px; margin: 0; }
ol.steps li::before { content: counter(step); position: absolute; left: 0; top: 2px; width: 34px; height: 34px; border-radius: 50%; background: var(--ant-gradient); color: #fff; font-family: var(--ant-font-display); font-weight: 800; display: grid; place-items: center; }
ol.steps li:not(:last-child)::after { content: ""; position: absolute; left: 16px; top: 40px; bottom: 2px; width: 2px; background: var(--ant-line); }
ul.check { list-style: none; padding: 0; }
ul.check li { position: relative; padding-left: 30px; }
ul.check li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 16px; height: 9px; border-left: 3px solid var(--ant-blue); border-bottom: 3px solid var(--ant-blue); transform: rotate(-45deg); }

.note { background: var(--ant-mist); border: 1px solid var(--ant-line); border-left: 4px solid var(--ant-blue); border-radius: 12px; padding: 16px 18px; margin: 0 0 22px; }
.note.stage { border-left-color: var(--ant-warning); background: #FFF9EE; border-color: #FBE3B8; }

.tablewrap { overflow-x: auto; margin: 0 0 22px; border: 1px solid var(--ant-line); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 0.9375rem; }
th, td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--ant-line); }
th { font-family: var(--ant-font-display); font-size: 0.8125rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ant-slate); background: var(--ant-mist); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }

.code { margin: 0 0 22px; border: 1px solid #1B2440; border-radius: 12px; background: #0B1020; overflow: hidden; }
.code .tabs { display: flex; gap: 2px; padding: 8px 8px 0; background: #111935; border-bottom: 1px solid #1B2440; overflow-x: auto; }
.code .tabs button { font: inherit; font-size: 0.8125rem; font-weight: 600; color: #A9B4D6; background: none; border: 0; padding: 8px 14px; border-radius: 8px 8px 0 0; cursor: pointer; white-space: nowrap; }
.code .tabs button:hover { color: #fff; }
.code .tabs button[aria-selected="true"] { color: #fff; background: #0B1020; box-shadow: inset 0 2px 0 var(--ant-blue-light); }
.code .pane { position: relative; }
.code .label { display: none; }
.code.nojs .label, .code:not(.js) .label { display: block; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: #A9B4D6; padding: 10px 16px 0; }
.code pre { margin: 0; padding: 16px; overflow-x: auto; }
.code pre code, pre.plain code { background: none; border: 0; padding: 0; font-size: 0.8125rem; line-height: 1.6; white-space: pre; overflow-wrap: normal; }
.code pre code { color: #E6ECFF; }
.code .src { margin: 0; padding: 8px 16px 12px; font-size: 0.75rem; color: #A9B4D6; }
.code .src a { color: #C9D6FF; }
.code .copy { position: absolute; top: 8px; right: 8px; font: inherit; font-size: 0.75rem; color: #A9B4D6; background: #111935; border: 1px solid #1B2440; border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.code .copy:hover { color: #fff; }
pre.plain { margin: 0 0 16px; padding: 12px 14px; background: var(--ant-mist); border: 1px solid var(--ant-line); border-radius: 10px; overflow-x: auto; }
pre.plain.wrap code, pre.json.wrap code { white-space: pre-wrap; overflow-wrap: anywhere; }
pre.json { margin: 0 0 22px; padding: 14px 16px; background: #0B1020; border-radius: 12px; overflow-x: auto; }
pre.json code { background: none; border: 0; padding: 0; color: #E6ECFF; font-size: 0.8125rem; line-height: 1.6; white-space: pre; }
.excap { font-size: 0.8125rem; color: var(--ant-slate); margin: 0 0 6px; }

.shots { display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 22px; }
.shots figure { margin: 0; }
.shots img { border: 1px solid var(--ant-line); border-radius: 14px; box-shadow: var(--ant-shadow); }
.shots figcaption { font-size: 0.8125rem; color: var(--ant-slate); margin-top: 8px; max-width: 260px; }

.op { border: 1px solid var(--ant-line); border-radius: 14px; padding: 22px; margin: 0 0 28px; }
.op h2 { border: 0; padding: 0; margin: 0 0 12px; font-size: 1.25rem; }
.op .line { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 14px; }
.verb { font-family: var(--ant-font-mono); font-weight: 700; font-size: 0.8125rem; padding: 3px 10px; border-radius: 6px; color: #fff; background: var(--ant-blue); }
.verb.get { background: #0E9F6E; }
.verb.hook { background: var(--ant-ink); }
.op .path { font-family: var(--ant-font-mono); font-size: 0.9375rem; font-weight: 600; overflow-wrap: anywhere; }
.status { display: inline-block; font-family: var(--ant-font-mono); font-weight: 700; font-size: 0.8125rem; padding: 2px 8px; border-radius: 6px; background: var(--ant-mist); border: 1px solid var(--ant-line); }
.status.ok { color: #067647; background: #ECFDF3; border-color: #ABEFC6; }
.status.bad { color: #B42318; background: #FEF3F2; border-color: #FECDCA; }
.req { font-size: 0.75rem; font-weight: 700; color: #B42318; }
.op td:first-child, main > .tablewrap td:first-child { white-space: nowrap; }
.op td:first-child code, main > .tablewrap td:first-child code { overflow-wrap: normal; }
.op h2.sub { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--ant-line); font-size: 1.125rem; }
@media (max-width: 900px) { main > .tablewrap td:first-child { white-space: normal; } }

footer { border-top: 1px solid var(--ant-line); color: var(--ant-slate); font-size: 0.875rem; }
footer .in { max-width: 1240px; margin: 0 auto; padding: 22px 20px 40px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--ant-line); }
.pager a { text-decoration: none; font-weight: 600; }

@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--ant-line); padding: 16px 0 8px; }
  .side ul { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
  .side a { margin: 0; padding: 6px 10px; }
  .side a[aria-current="page"] { box-shadow: none; }
  .side .base, .side h2 { display: none; }
  main { padding-top: 28px; }
  .top .ext.hide-s { display: none; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }