/* =========================================================
   薪连薪开放平台 API 文档 — 站点样式
   设计基线：官网首页设计体系（配色 / 字号 / 元素 / 导航）
   ========================================================= */

:root {
  /* ── 品牌色（与官网 design-system 一致） ── */
  --color-primary: #2454FF;
  --color-primary-hover: #173FE6;
  --color-primary-active: #1230C8;
  --color-primary-light: rgba(36, 84, 255, 0.10);
  --brand-primary: #2454FF;
  --brand-hover: #173FE6;
  --brand-indigo: #5B4BFF;
  --brand-cyan: #12BFEF;
  --color-brand-future-cyan: #00D4FF;
  --color-brand-accent-purple: #7B61FF;

  /* ── 背景与文字 ── */
  --bg-page: #F4F7FC;
  --bg-section: #F7F9FD;
  --bg-elevated: rgba(251, 252, 255, 0.94);
  --bg-soft-brand: #EEF3FF;
  --color-text-primary: #182033;
  --color-text-secondary: #58657A;
  --color-text-tertiary: #8792A5;
  --color-text-inverse: #FFFFFF;
  --color-text-link: #2454FF;
  --color-border-default: rgba(0, 0, 0, 0.06);
  --color-border-strong: rgba(0, 0, 0, 0.10);

  /* ── 按钮（克制渐变） ── */
  --btn-gradient: linear-gradient(135deg, #2F5CFF 0%, #2454FF 50%, #173FE6 100%);
  --btn-gradient-hover: linear-gradient(135deg, #2454FF 0%, #173FE6 60%, #1230C8 100%);
  --btn-gradient-shadow: 0 1px 2px rgba(24, 32, 51, 0.12), 0 2px 8px rgba(36, 84, 255, 0.18);
  --oa-btn-secondary-border: rgba(36, 84, 255, 0.18);
  --oa-btn-secondary-hover-border: rgba(36, 84, 255, 0.30);

  /* ── 卡片 ── */
  --card-border: #E2E7F0;
  --card-hover-border: rgba(36, 84, 255, 0.35);
  --oa-shadow-xs: 0 1px 3px rgba(24, 32, 51, 0.05);
  --oa-shadow-sm: 0 6px 24px rgba(24, 32, 51, 0.06);
  --oa-shadow-md: 0 8px 28px rgba(24, 32, 51, 0.08);
  --oa-radius-sm: 10px;
  --oa-radius-md: 14px;
  --oa-radius-lg: 18px;

  /* ── 布局 ── */
  --sidebar: 288px;
  --toc: 208px;
  --oa-header-h: 76px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "system-ui", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-page); }
body {
  margin: 0;
  padding-top: var(--oa-header-h);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-primary);
  background:
    radial-gradient(1100px 420px at 28% -180px, rgba(36, 84, 255, 0.08), transparent 66%),
    var(--bg-page);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-text-link); }
button, input { font: inherit; }
code { font-family: var(--font-mono); }

/* 移动端触摸体验：去除点击高亮灰块 */
a, button, input { -webkit-tap-highlight-color: transparent; }
/* iOS/微信内嵌浏览顺滑滚动 */
.table-scroll, .search-results { -webkit-overflow-scrolling: touch; }

h1, h2, h3, h4 {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}
p { margin: 0; }

/* ═══════════════════════════════════════════
   侧栏搜索 — 接口检索
   ═══════════════════════════════════════════ */
.side-search {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 40px;
  margin-bottom: 14px;
  border: 1px solid var(--card-border);
  background: #fff;
  border-radius: var(--oa-radius-sm);
  padding: 0 12px;
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.side-search:focus-within {
  border-color: #A9C0FA;
  box-shadow: 0 0 0 3px rgba(36, 84, 255, 0.10);
}
.side-search svg { width: 17px; color: var(--color-text-tertiary); flex: 0 0 auto; }
.side-search input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  flex: 1;
  padding: 0 10px;
  font-size: 14px;
  color: var(--color-text-primary);
}
.side-search input::placeholder { color: var(--color-text-tertiary); }
.side-search kbd {
  border: 1px solid var(--card-border);
  background: #F7F9FD;
  padding: 1px 7px;
  border-radius: 6px;
  color: var(--color-text-tertiary);
  font-size: 11px;
  font-family: var(--font-mono);
}

/* 搜索下拉（附着在侧栏搜索框下方） */
.search-results {
  position: absolute;
  left: 0;
  right: 0;
  top: 46px;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--oa-radius-sm);
  box-shadow: 0 18px 44px rgba(18, 42, 86, 0.16);
  max-height: 340px;
  overflow: auto;
  display: none;
  padding: 6px;
  z-index: 5;
}
.search-results.open { display: block; }
.search-result { display: block; padding: 11px 12px; border-radius: 9px; }
.search-result:hover { background: var(--bg-soft-brand); color: inherit; }
.search-result strong { display: block; font-size: 14px; font-weight: 500; color: var(--color-text-primary); }
.search-result small { display: block; color: var(--color-text-tertiary); font-family: var(--font-mono); font-size: 12px; margin-top: 2px; overflow-wrap: anywhere; }

/* ═══════════════════════════════════════════
   App Shell — 侧栏 / 内容 / 目录
   ═══════════════════════════════════════════ */
.layout {
  max-width: 1560px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr) var(--toc);
  min-height: calc(100vh - var(--oa-header-h));
}
.sidebar {
  position: sticky;
  top: var(--oa-header-h);
  height: calc(100vh - var(--oa-header-h));
  overflow-y: auto;
  overflow-x: hidden;
  padding: 26px 18px 40px 0;
  border-right: 1px solid var(--color-border-default);
  background: rgba(247, 249, 253, 0.86);
  scrollbar-width: thin;
  scrollbar-color: #C7D3E6 transparent;
  overscroll-behavior: contain;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: #C7D3E6; border-radius: 999px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }

.side-home, .side-link, .side-group-title, .side-api { transition: background-color .15s ease, color .15s ease, border-color .15s ease; }
.side-home, .side-link {
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: var(--oa-radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.side-home { color: var(--color-primary); background: var(--bg-soft-brand); }
.side-home:hover, .side-link:hover { background: var(--bg-soft-brand); color: var(--color-primary); }
.side-link { margin-top: 3px; }
.side-link.active { color: var(--color-primary); background: var(--bg-soft-brand); font-weight: 600; }

.side-group { margin-top: 16px; }
.side-group-title {
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  border-radius: 8px;
}
.side-group-title:hover, .side-group-title.active { color: var(--color-primary); background: var(--bg-soft-brand); }
.side-sub { margin-top: 3px; }
.side-api {
  position: relative;
  display: flex;
  gap: 7px;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px 6px 20px;
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.45;
}
.side-api::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #B9C5D8;
  transform: translateY(-50%);
}
.side-api:hover { background: var(--bg-soft-brand); color: var(--color-primary); }
.side-api.active {
  background: linear-gradient(90deg, #EDF3FF, #F7F9FF);
  color: var(--color-primary);
  font-weight: 600;
}
.side-api.active::before { width: 4px; height: 15px; border-radius: 999px; background: var(--color-primary); }
.side-badge {
  flex: 0 0 auto;
  font-size: 11px;
  color: #9A6500;
  background: #FFF3DA;
  border-radius: 999px;
  padding: 2px 7px;
  white-space: nowrap;
}

.content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--toc);
  grid-column: 2 / 4;
  min-width: 0;
}
.content.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(244, 247, 252, 0.30), rgba(255, 255, 255, 0.78), rgba(244, 247, 252, 0.30));
  background-size: 200% 100%;
  animation: docLoading 1s linear infinite;
}
@keyframes docLoading { to { background-position: -200% 0; } }

.doc {
  min-width: 0;
  width: 100%;
  max-width: 1010px;
  margin: 0 auto;
  padding: 42px 52px 96px;
}
.home-doc { max-width: 1100px; }

.toc { padding: 40px 16px 64px 0; }
.toc-card {
  position: sticky;
  top: calc(var(--oa-header-h) + 26px);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border-strong);
  padding-left: 16px;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-tertiary);
}
.toc-card strong { color: var(--color-text-primary); margin-bottom: 4px; font-size: 14px; font-weight: 600; }
.toc-card a { transition: color .15s ease; }
.toc-card a:hover { color: var(--color-primary); }

/* ═══════════════════════════════════════════
   内容页 — API / 分类正文
   ═══════════════════════════════════════════ */
.breadcrumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-text-tertiary);
  margin-bottom: 26px;
}
.breadcrumbs a:hover { color: var(--color-primary); }

.api-hero, .category-hero { padding: 10px 0 36px; }
.api-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--bg-soft-brand);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.api-hero h1, .category-hero h1 {
  font-size: clamp(34px, 3.4vw, 48px);
  line-height: 1.18;
  margin: 16px 0 14px;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--color-text-primary);
}
.api-hero h1 span {
  display: block;
  font-size: 16px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text-tertiary);
  margin-top: 12px;
  letter-spacing: 0;
}
.api-hero p, .category-hero p { font-size: 16px; color: var(--color-text-secondary); max-width: 820px; line-height: 1.75; }

.api-meta, .endpoint-box {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #102347, #16386F);
  color: #DCE8FF;
  border-radius: var(--oa-radius-md);
  box-shadow: 0 12px 30px rgba(16, 35, 71, 0.14);
}
.api-meta { max-width: 660px; }
.api-meta .method {
  background: #16A276;
  color: #fff;
  border-radius: 6px;
  padding: 2px 9px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.api-meta code, .endpoint-box code { font-size: 13px; overflow-wrap: anywhere; color: #fff; }
.copy-btn {
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #EEF4FF;
  border-radius: 8px;
  padding: 6px 11px;
  cursor: pointer;
  font-size: 12px;
}
.copy-btn:hover { background: rgba(255, 255, 255, 0.16); }

.section-head { margin: 62px 0 18px; }
.section-head span {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.11em;
}
.section-head h2 {
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.3;
  margin: 6px 0 0;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  font-weight: 600;
}

.value-grid, .quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.value-card, .quick-grid a, .api-card, .category-card, .steps div, .gloss {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--oa-radius-md);
  box-shadow: var(--oa-shadow-sm);
}
.value-card, .quick-grid a { padding: 20px; }
.value-card h3, .quick-grid strong { font-size: 16px; font-weight: 600; margin: 0 0 6px; color: var(--color-text-primary); }
.value-card p, .quick-grid p { font-size: 16px; color: var(--color-text-secondary); margin: 0; line-height: 1.65; }

.gloss { padding: 20px; margin: 0 0 14px; }
.gloss h3 { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.gloss p { font-size: 16px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.facts div { background: #fff; border: 1px solid var(--card-border); border-radius: var(--oa-radius-md); padding: 15px 16px; }
.facts small { display: block; color: var(--color-text-tertiary); font-size: 12px; }
.facts strong { display: block; font-size: 17px; font-weight: 600; margin-top: 4px; color: var(--color-text-primary); }

.table-card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--oa-radius-md);
  overflow: hidden;
  margin: 14px 0;
  box-shadow: var(--oa-shadow-xs);
}
.table-title {
  padding: 13px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  background: var(--bg-section);
  border-bottom: 1px solid var(--card-border);
}
.table-scroll { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(24, 32, 51, 0.06);
  vertical-align: top;
  line-height: 1.6;
}
th { background: #FBFDFF; color: var(--color-text-secondary); font-weight: 600; white-space: nowrap; }
td { color: var(--color-text-primary); }
td code { color: var(--color-primary); font-weight: 500; background: none; padding: 0; }
tr:last-child td { border-bottom: 0; }
.legend { font-size: 16px; color: var(--color-text-tertiary); }
.req, .opt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}
.req { background: #EAF0FF; color: var(--color-primary); }
.opt { background: #EAF7F2; color: #137957; }
.empty-spec {
  padding: 20px;
  border: 1px dashed #C9D4E6;
  border-radius: var(--oa-radius-md);
  background: #FAFCFE;
  color: var(--color-text-tertiary);
  font-size: 16px;
}

.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.related-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--oa-radius-md);
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.related-card:hover { border-color: #A8BCF5; box-shadow: var(--oa-shadow-md); transform: translateY(-1px); }
.related-card small { color: var(--color-text-tertiary); font-size: 12px; }
.related-card strong { font-size: 16px; font-weight: 600; color: var(--color-text-primary); }
.related-card code { font-size: 12px; color: #4B68B2; }

details {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--oa-radius-md);
  padding: 14px 16px;
  margin: 10px 0;
}
summary { font-weight: 600; cursor: pointer; font-size: 14px; color: var(--color-text-primary); }
details p { font-size: 16px; color: var(--color-text-secondary); margin: 8px 0 0; }

.source-note, .notice { margin-top: 42px; padding: 18px 20px; border-radius: var(--oa-radius-md); font-size: 16px; line-height: 1.7; }
.source-note { background: var(--bg-soft-brand); color: var(--color-text-secondary); }
.notice-warn { background: #FFF7E8; border: 1px solid #F0D79F; color: #7C5A1D; }

.prose { font-size: 16px; color: var(--color-text-secondary); line-height: 1.8; }
.prose p { margin: 0 0 14px; font-size: 16px; color: var(--color-text-secondary); }
.prose a { color: var(--color-text-link); }
.prose a:hover { color: var(--color-text-link-hover); }
.prose h2 { font-size: 24px; margin: 30px 0 12px; }
.prose h3 { font-size: 19px; margin: 24px 0 10px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 14px; }
.prose code { background: var(--bg-section); border: 1px solid var(--card-border); border-radius: 6px; padding: 1px 6px; font-size: 0.9em; color: var(--color-primary); }
.prose pre { background: #0D1B33; color: #E7EEFB; border-radius: var(--oa-radius-md); padding: 18px 20px; overflow: auto; font-size: 13px; line-height: 1.65; margin: 0 0 16px; }
.prose pre code { background: none; border: 0; padding: 0; color: inherit; }

.status-ok, .status-warn { font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.status-ok { background: #E9F7F1; color: #0B7A55; }
.status-warn { background: #FFF2D8; color: #9A6200; }

/* ═══════════════════════════════════════════
   首页 — 对齐官网首页节奏
   ═══════════════════════════════════════════ */
.home-hero { position: relative; padding: 70px 0 60px; overflow: hidden; }
.home-glow {
  position: absolute;
  width: 720px;
  height: 420px;
  left: -140px;
  top: -230px;
  background: radial-gradient(circle, rgba(36, 84, 255, 0.18), rgba(0, 212, 255, 0.08) 42%, transparent 70%);
  pointer-events: none;
}
.home-hero h1 {
  position: relative;
  font-size: clamp(44px, 4.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 16px 0 18px;
  color: var(--color-text-primary);
  font-weight: 600;
}
.home-hero h1 span {
  background: linear-gradient(135deg, #0A3DFF 0%, #1677FF 40%, #00D4FF 70%, #7B61FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.home-hero p { font-size: 16px; color: var(--color-text-secondary); max-width: 780px; position: relative; line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; }
.btn-primary, .btn-secondary, .cta-panel a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--oa-radius-sm);
  font-size: 16px;
  font-weight: 500;
}
.btn-primary, .cta-panel a {
  background: var(--btn-gradient);
  color: #fff;
  box-shadow: var(--btn-gradient-shadow);
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn-primary:hover, .cta-panel a:hover {
  background: var(--btn-gradient-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(24, 32, 51, 0.10), 0 4px 14px rgba(36, 84, 255, 0.24);
}
.btn-secondary { background: #fff; border: 1px solid var(--oa-btn-secondary-border); color: var(--color-text-primary); transition: border-color .2s ease, color .2s ease, box-shadow .2s ease; }
.btn-secondary:hover { border-color: var(--oa-btn-secondary-hover-border); color: var(--color-primary); box-shadow: var(--oa-shadow-xs); }
.hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 26px; }
.hero-tags span {
  font-size: 13px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.85);
  padding: 5px 11px;
  border-radius: 999px;
  color: var(--color-text-secondary);
}

.hook {
  padding: 30px;
  background: linear-gradient(135deg, #102347, #17396F);
  color: #fff;
  border-radius: var(--oa-radius-lg);
  box-shadow: 0 18px 44px rgba(16, 35, 71, 0.14);
}
.hook strong { font-size: 12px; letter-spacing: 0.11em; color: #9DC1FF; font-weight: 600; text-transform: uppercase; }
.hook h2 { font-size: clamp(24px, 2.2vw, 30px); font-weight: 600; margin: 8px 0 10px; color: #fff; }
.hook p { color: #C8D6ED; font-size: 16px; line-height: 1.7; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.category-card { padding: 22px; transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.category-card:hover { border-color: var(--card-hover-border); box-shadow: var(--oa-shadow-md); transform: translateY(-1px); }
.category-num { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-tertiary); }
.category-card h3 { margin: 10px 0 7px; font-size: 17px; font-weight: 600; }
.category-card p { font-size: 16px; color: var(--color-text-secondary); line-height: 1.65; min-height: 44px; }
.category-card span { font-size: 14px; color: var(--color-primary); font-weight: 500; }

.flow { display: flex; align-items: stretch; gap: 10px; }
.flow > div { flex: 1; padding: 18px; background: #fff; border: 1px solid var(--card-border); border-radius: var(--oa-radius-md); }
.flow b { display: block; color: var(--color-primary); font-size: 12px; font-family: var(--font-mono); }
.flow strong { display: block; margin: 5px 0; font-size: 16px; font-weight: 600; color: var(--color-text-primary); }
.flow span { font-size: 13px; color: var(--color-text-tertiary); }
.flow i { align-self: center; color: #A6B2C4; font-style: normal; font-size: 16px; }

.cta-panel {
  margin-top: 64px;
  padding: 34px;
  border-radius: var(--oa-radius-lg);
  background:
    radial-gradient(380px 130px at 10% 0, rgba(36, 84, 255, 0.10), transparent 70%),
    linear-gradient(135deg, #EDF3FF, #F5F2FF);
  border: 1px solid #DDE6F7;
  text-align: center;
}
.cta-panel h2 { margin: 0 0 8px; font-size: clamp(22px, 2vw, 28px); font-weight: 600; }
.cta-panel p { color: var(--color-text-secondary); font-size: 16px; margin-bottom: 20px; }

.api-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.api-card { padding: 20px; transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease; }
.api-card:hover { border-color: #A8BCF5; transform: translateY(-1px); box-shadow: var(--oa-shadow-md); }
.api-card > div { display: flex; align-items: center; justify-content: space-between; }
.api-card code { font-size: 12px; font-family: var(--font-mono); color: var(--color-text-tertiary); overflow-wrap: anywhere; }
.api-card h3 { font-size: 17px; font-weight: 600; margin: 12px 0 7px; }
.api-card p { font-size: 16px; color: var(--color-text-secondary); margin: 0; line-height: 1.65; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps div { padding: 20px; }
.steps b { color: var(--color-primary); font-size: 13px; font-family: var(--font-mono); }
.steps h3 { font-size: 16px; font-weight: 600; margin: 6px 0; }
.steps p { font-size: 16px; color: var(--color-text-secondary); line-height: 1.65; }

/* ═══════════════════════════════════════════
   响应式
   ═══════════════════════════════════════════ */
.sidebar-overlay { display: none; }

/* 移动端左下角「目录」悬浮按钮（打开文档侧栏） */
.oa-dir-toggle {
  display: none;
  position: fixed;
  left: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 70;
  align-items: center;
  gap: 7px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--oa-btn-secondary-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--color-primary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--oa-shadow-md);
}
.oa-dir-toggle svg { width: 18px; height: 18px; }

/* 侧栏内关闭按钮：仅移动端抽屉打开时可见 */
.oa-dir-close {
  display: none;
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--oa-btn-secondary-border);
  border-radius: 50%;
  background: #fff;
  color: var(--color-text-secondary);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1180px) {
  :root { --toc: 0px; --sidebar: 264px; }
  .layout { grid-template-columns: var(--sidebar) minmax(0, 1fr); }
  .content { grid-column: 2; grid-template-columns: 1fr; }
  .toc { display: none; }
  .doc { padding: 34px 34px 78px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .side-search input { font-size: 16px; }
  .side-search kbd { display: none; }
  /* 触控目标 ≥44px */
  .oa-dir-toggle { display: inline-flex; left: auto; right: 12px; bottom: auto; top: calc(var(--oa-header-h) + 10px); }
  .oa-dir-close { display: flex; }
  .side-home, .side-link, .side-api { min-height: 42px; }
  .side-group-title { min-height: 40px; }
  .layout { display: block; }
  .sidebar {
    position: fixed;
    z-index: 110;
    left: 0;
    top: var(--oa-header-h);
    width: min(88vw, 330px);
    padding: 18px 14px 30px;
    transform: translateX(-105%);
    transition: transform .24s ease;
    background: #fff;
    box-shadow: 22px 0 50px rgba(12, 34, 76, 0.18);
  }
  .sidebar.open { transform: none; }
  .sidebar-overlay {
    position: fixed;
    z-index: 100;
    inset: var(--oa-header-h) 0 0;
    background: rgba(4, 16, 40, 0.34);
  }
  .sidebar-overlay.open { display: block; }
  .content { display: block; }
  .doc { padding: 28px 20px 64px; }
  .home-hero { padding: 46px 0 40px; }
  .home-hero h1 { font-size: 38px; }
  .api-hero h1, .category-hero h1 { font-size: 31px; }
  .value-grid, .quick-grid, .steps, .api-card-grid, .category-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .flow { flex-direction: column; }
  .flow i { transform: rotate(90deg); }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --oa-header-h: 64px; }
}
@media (max-width: 480px) {
  .home-hero h1 { font-size: 33px; }
  .api-hero h1, .category-hero h1 { font-size: 28px; }
  .section-head h2 { font-size: 24px; }
  .facts { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions a { justify-content: center; }
  .api-meta { align-items: flex-start; flex-wrap: wrap; }
  .api-meta .copy-btn { margin-left: 0; }
  .hook { padding: 24px; }
  .hook h2 { font-size: 23px; }
  .prose { font-size: 16px; }
  .prose p { font-size: 16px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}