/* ============================================================
   iKho 开发者文档 · 样式
   品牌承接:官网深色 #040404 系 + 系统字体栈 + ease(.16,1,.3,1)
   产品承接:xiyu ink 蓝作唯一强调色;亮色 = fog 纸感
   圆角制度:4 chip/kbd · 6 按钮/输入 · 10 卡片 · 12 弹窗
   ============================================================ */

:root {
  --font-sans: Inter, "SF Pro Display", "SF Pro Text", "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "JetBrains Mono", monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-xs: 90ms;
  --dur-sm: 140ms;
  --dur-md: 220ms;

  --top-h: 56px;
  --tabs-h: 42px;
  --side-w: 268px;
  --toc-w: 216px;

  /* 亮色 · fog 纸感 */
  --bg: #faf9f5;
  --bg-2: #f4f3ee;
  --panel: #ffffff;
  --panel-2: #f4f3ee;
  --ink: #16181c;
  --body: #3b3935;
  --muted: #6e6b63;
  --dim: #908c82;
  --line: rgba(17, 20, 24, 0.08);
  --line-strong: rgba(17, 20, 24, 0.16);
  --link: #2a5285;
  --link-hover: #1e3e6b;
  --accent: #2a5285;
  --accent-soft: rgba(42, 82, 133, 0.09);
  --ring: 0 0 0 3px rgba(42, 82, 133, 0.25);
  --code-bg: #14161a;         /* 代码块恒深色(双主题一致,可读性最好) */
  --code-head: #1b1e24;
  --code-ink: #d8dce2;
  --shadow-md: 0 2px 4px rgba(11, 13, 16, 0.04), 0 8px 20px rgba(11, 13, 16, 0.08);
  --shadow-lg: 0 4px 8px rgba(11, 13, 16, 0.05), 0 16px 40px rgba(11, 13, 16, 0.14);

  --ok: #1f7a55;
  --ok-bg: rgba(31, 122, 85, 0.1);
  --warn: #8b6a1f;
  --warn-bg: rgba(139, 106, 31, 0.1);
  --danger: #99372f;
  --danger-bg: rgba(153, 55, 47, 0.09);
  --info-bg: rgba(42, 82, 133, 0.08);

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #040404;
  --bg-2: #0a0a0b;
  --panel: #101013;
  --panel-2: #16161a;
  --ink: #f4f4f1;
  --body: #c9c9c5;
  --muted: #a3a3a0;
  --dim: #7c7c80;
  --line: rgba(246, 246, 244, 0.1);
  --line-strong: rgba(246, 246, 244, 0.22);
  --link: #7b9bbf;
  --link-hover: #a8c0e4;
  --accent: #7b9bbf;
  --accent-soft: rgba(123, 155, 191, 0.12);
  --ring: 0 0 0 3px rgba(123, 155, 191, 0.3);
  --code-bg: #0c0d10;
  --code-head: #131519;
  --code-ink: #d8dce2;
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.4), 0 8px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.5), 0 16px 40px rgba(0, 0, 0, 0.6);

  --ok: #6fbf9b;
  --ok-bg: rgba(111, 191, 155, 0.12);
  --warn: #cfa54e;
  --warn-bg: rgba(207, 165, 78, 0.12);
  --danger: #d26c5e;
  --danger-bg: rgba(210, 108, 94, 0.12);
  --info-bg: rgba(123, 155, 191, 0.1);

  color-scheme: dark;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top-h) + var(--tabs-h) + 24px); }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }
code, kbd, pre { font-family: var(--font-mono); }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 4px; }
::selection { background: var(--accent-soft); }
button { font-family: inherit; }
img { max-width: 100%; }

.dc-skip {
  position: fixed; top: -48px; left: 16px; z-index: 200;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line-strong);
  padding: 8px 14px; border-radius: 6px; transition: top var(--dur-sm) var(--ease);
}
.dc-skip:focus { top: 10px; }
.dc-mono { font-family: var(--font-mono); font-size: 0.86em; letter-spacing: -0.005em; }

/* ---------- 顶栏 ---------- */
.dc-top {
  position: sticky; top: 0; z-index: 90;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.dc-top-inner {
  max-width: 1440px; margin: 0 auto; height: var(--top-h);
  display: flex; align-items: center; gap: 16px; padding: 0 20px;
}
.dc-logo { display: flex; align-items: baseline; gap: 8px; color: var(--ink); flex-shrink: 0; }
.dc-logo:hover { color: var(--ink); }
.dc-logo-mark { font-size: 17px; font-weight: 650; letter-spacing: -0.01em; }
.dc-logo-sub { font-size: 12px; color: var(--muted); border-left: 1px solid var(--line-strong); padding-left: 8px; }

.dc-searchbar {
  flex: 1; max-width: 480px; height: 34px; margin: 0 auto;
  display: flex; align-items: center; gap: 8px; padding: 0 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  color: var(--dim); font-size: 13px; cursor: pointer;
  transition: border-color var(--dur-sm) var(--ease), background var(--dur-sm) var(--ease);
}
.dc-searchbar:hover { border-color: var(--line-strong); }
.dc-searchbar span { flex: 1; text-align: left; }
.dc-searchbar kbd, .dc-search-bar kbd, .dc-ask kbd {
  font-size: 11px; color: var(--dim); border: 1px solid var(--line);
  border-radius: 4px; padding: 1px 5px; background: var(--bg-2);
}

.dc-top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; margin-left: auto; }
.dc-top-link { font-size: 13px; color: var(--muted); }
.dc-top-link:hover { color: var(--ink); }

.dc-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: 6px; border: 1px solid transparent;
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background var(--dur-sm) var(--ease), border-color var(--dur-sm) var(--ease), color var(--dur-sm) var(--ease);
}
.dc-btn:active { transform: translateY(0.5px); }
.dc-btn-primary { background: var(--ink); color: var(--bg); }
.dc-btn-primary:hover { background: color-mix(in srgb, var(--ink) 86%, var(--bg)); color: var(--bg); }
.dc-btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.dc-btn-ghost:hover { color: var(--ink); background: var(--bg-2); }

.dc-iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 6px; border: 1px solid transparent;
  background: transparent; color: var(--muted); cursor: pointer;
  transition: background var(--dur-sm) var(--ease), color var(--dur-sm) var(--ease);
}
.dc-iconbtn:hover { background: var(--bg-2); color: var(--ink); }

/* 主题切换三态图标 */
[data-theme-toggle] .ic-sun, [data-theme-toggle] .ic-moon, [data-theme-toggle] .ic-sys { display: none; line-height: 0; }
html[data-theme-pref="light"] [data-theme-toggle] .ic-sun { display: block; }
html[data-theme-pref="dark"] [data-theme-toggle] .ic-moon { display: block; }
html:not([data-theme-pref]) [data-theme-toggle] .ic-sys,
html[data-theme-pref="system"] [data-theme-toggle] .ic-sys { display: block; }

/* ---------- Tab 行 ---------- */
.dc-tabs-row { border-top: 1px solid var(--line); }
.dc-tabs-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 20px;
  display: flex; gap: 26px; height: var(--tabs-h); align-items: stretch;
  overflow-x: auto; scrollbar-width: none;
}
.dc-tabs-inner::-webkit-scrollbar { display: none; }
.dc-tab {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  font-size: 13.5px; font-weight: 500; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color var(--dur-sm) var(--ease);
}
.dc-tab:hover { color: var(--ink); }
.dc-tab.on { color: var(--ink); border-bottom-color: var(--accent); }

.dc-chip {
  display: inline-flex; align-items: center; height: 18px; padding: 0 6px;
  border-radius: 4px; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.02em; background: var(--bg-2); color: var(--muted);
  border: 1px solid var(--line); font-weight: 500; vertical-align: 2px;
}
.dc-chip-beta { background: var(--accent-soft); color: var(--link); border-color: transparent; }

/* ---------- 布局壳 ---------- */
.dc-shell { max-width: 1440px; margin: 0 auto; display: flex; }

.dc-side {
  width: var(--side-w); flex-shrink: 0;
  position: sticky; top: calc(var(--top-h) + var(--tabs-h));
  height: calc(100dvh - var(--top-h) - var(--tabs-h));
  overflow-y: auto; overscroll-behavior: contain;
  padding: 24px 12px 48px 20px;
  border-right: 1px solid var(--line);
}
.dc-side-group { margin-bottom: 22px; }
.dc-side-head {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--dim);
  padding: 0 10px 6px;
}
.dc-side-link {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 10px; border-radius: 6px; font-size: 13.5px; color: var(--muted);
  transition: background var(--dur-sm) var(--ease), color var(--dur-sm) var(--ease);
}
.dc-side-link:hover { background: var(--bg-2); color: var(--ink); }
.dc-side-link.on { background: var(--accent-soft); color: var(--link); font-weight: 550; }
.dc-side-link svg { flex-shrink: 0; opacity: 0.6; }

.dc-scrim {
  position: fixed; inset: 0; z-index: 94; background: rgba(4, 4, 4, 0.5);
  opacity: 0; transition: opacity var(--dur-md) var(--ease);
}
.dc-scrim.show { opacity: 1; }
.dc-menubtn { display: none; }

/* ---------- 主内容 ---------- */
.dc-main { flex: 1; min-width: 0; display: flex; align-items: flex-start; }
.dc-article { flex: 1; min-width: 0; max-width: 800px; padding: 40px 48px 64px; }
.dc-article.wide { max-width: 1120px; }

.dc-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--link);
  margin-bottom: 10px;
}
.dc-article h1 {
  margin: 0 0 10px; font-size: 32px; line-height: 1.2; letter-spacing: -0.02em;
  font-weight: 600; color: var(--ink);
}
.dc-lede { margin: 0 0 28px; font-size: 16.5px; line-height: 1.65; color: var(--muted); max-width: 640px; }

.dc-article h2 {
  margin: 44px 0 12px; font-size: 22px; line-height: 1.3; letter-spacing: -0.012em;
  font-weight: 600; color: var(--ink); position: relative;
  padding-top: 16px; border-top: 1px solid var(--line);
}
.dc-article h2:first-of-type { border-top: 0; padding-top: 0; }
.dc-article h3 {
  margin: 30px 0 8px; font-size: 17px; line-height: 1.35; font-weight: 600; color: var(--ink);
  position: relative;
}
.dc-anchor {
  margin-left: 8px; opacity: 0; color: var(--dim); vertical-align: 1px;
  transition: opacity var(--dur-sm) var(--ease);
}
h2:hover .dc-anchor, h3:hover .dc-anchor { opacity: 1; }
.dc-anchor:hover { color: var(--link); }

.dc-article p { margin: 0 0 14px; max-width: 72ch; }
.dc-article ul, .dc-article ol { margin: 0 0 16px; padding-left: 22px; }
.dc-article li { margin: 4px 0; }
.dc-article li::marker { color: var(--dim); }
.dc-article strong { color: var(--ink); font-weight: 600; }
.dc-article hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

.dc-article p code, .dc-article li code, .dc-article td code, .dc-param-desc code {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 4px;
  padding: 0.1em 0.35em; font-size: 0.86em; color: var(--ink); white-space: nowrap;
}

/* ---------- 右侧 TOC ---------- */
.dc-toc {
  width: var(--toc-w); flex-shrink: 0;
  position: sticky; top: calc(var(--top-h) + var(--tabs-h));
  max-height: calc(100dvh - var(--top-h) - var(--tabs-h));
  overflow-y: auto; padding: 40px 20px 48px 0; font-size: 12.5px;
}
.dc-toc-head {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--dim); margin-bottom: 10px;
}
.dc-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.dc-toc li a {
  display: block; padding: 3.5px 0 3.5px 14px; color: var(--muted);
  border-left: 1.5px solid transparent; margin-left: -1px; line-height: 1.45;
  transition: color var(--dur-sm) var(--ease), border-color var(--dur-sm) var(--ease);
}
.dc-toc li.lvl-3 a { padding-left: 26px; }
.dc-toc li a:hover { color: var(--ink); }
.dc-toc li a.on { color: var(--link); border-left-color: var(--accent); }

/* ---------- 提示框 ---------- */
.dc-callout {
  display: flex; gap: 10px; margin: 18px 0; padding: 13px 15px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--panel);
  font-size: 14px;
}
.dc-callout-icon { flex-shrink: 0; margin-top: 3px; line-height: 0; }
.dc-callout-body { min-width: 0; }
.dc-callout-body p:last-child { margin-bottom: 0; }
.dc-note { background: var(--info-bg); border-color: transparent; }
.dc-note .dc-callout-icon { color: var(--link); }
.dc-tip { background: var(--ok-bg); border-color: transparent; }
.dc-tip .dc-callout-icon { color: var(--ok); }
.dc-warning { background: var(--warn-bg); border-color: transparent; }
.dc-warning .dc-callout-icon { color: var(--warn); }
.dc-check { background: var(--ok-bg); border-color: transparent; }
.dc-check .dc-callout-icon { color: var(--ok); }

/* ---------- 图框 ---------- */
.dc-frame { margin: 20px 0; }
.dc-frame img {
  display: block; width: 100%; border-radius: 10px; border: 1px solid var(--line);
}
.dc-frame figcaption { margin-top: 8px; font-size: 12.5px; color: var(--dim); }
.dc-frame-todo {
  border: 1px dashed var(--line-strong); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; background: var(--bg-2);
}
.dc-frame-todo-inner { text-align: center; color: var(--dim); font-size: 13px; display: grid; gap: 6px; padding: 24px; }
.dc-frame-todo-tag {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted);
}

/* ---------- 卡片 ---------- */
.dc-cardgrid { display: grid; gap: 14px; margin: 20px 0; }
.dc-cardgrid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.dc-cardgrid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.dc-card {
  display: flex; flex-direction: column; border: 1px solid var(--line);
  border-radius: 10px; background: var(--panel); overflow: hidden; color: inherit;
  transition: border-color var(--dur-sm) var(--ease), background var(--dur-sm) var(--ease);
}
a.dc-card:hover { border-color: var(--line-strong); color: inherit; background: var(--panel-2); }
.dc-card-img img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.dc-card-body { padding: 16px 18px; display: grid; gap: 6px; }
.dc-card-title { font-size: 15px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.dc-card-icon { color: var(--link); line-height: 0; }
.dc-card-desc { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.dc-card-desc p { margin: 0 0 6px; }
.dc-card-desc ol, .dc-card-desc ul { margin: 6px 0 0; padding-left: 18px; }
.dc-card-cta { font-size: 13px; font-weight: 550; color: var(--link); display: flex; align-items: center; gap: 5px; margin-top: 2px; }

/* ---------- 步骤 ---------- */
.dc-steps { margin: 20px 0; }
.dc-step { display: flex; gap: 14px; }
.dc-step-rail { display: flex; flex-direction: column; align-items: center; }
.dc-step-num {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-2); border: 1px solid var(--line-strong); color: var(--ink);
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
}
.dc-step-rail::after { content: ""; flex: 1; width: 1px; background: var(--line); margin: 4px 0; }
.dc-step:last-child .dc-step-rail::after { display: none; }
.dc-step-main { padding-bottom: 22px; min-width: 0; flex: 1; }
.dc-step-title { font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 26px; margin-bottom: 4px; }
.dc-step-body p:last-child { margin-bottom: 0; }

/* ---------- 手风琴 ---------- */
.dc-accgroup { margin: 20px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.dc-acc { border-top: 1px solid var(--line); }
.dc-acc:first-child { border-top: 0; }
.dc-acc summary {
  list-style: none; cursor: pointer; padding: 13px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-size: 14.5px; font-weight: 550; color: var(--ink);
  transition: background var(--dur-sm) var(--ease);
}
.dc-acc summary::-webkit-details-marker { display: none; }
.dc-acc summary:hover { background: var(--bg-2); }
.dc-acc summary .chev { transition: transform var(--dur-md) var(--ease); flex-shrink: 0; color: var(--dim); }
.dc-acc[open] summary .chev { transform: rotate(180deg); }
.dc-acc-body { padding: 2px 16px 14px; font-size: 14px; color: var(--body); }
.dc-acc-body p:last-child { margin-bottom: 0; }

/* ---------- 更新日志 ---------- */
.dc-update { display: flex; gap: 28px; padding: 26px 0; border-top: 1px solid var(--line); }
.dc-update:first-of-type { border-top: 0; }
.dc-update-meta {
  width: 148px; flex-shrink: 0; display: flex; flex-direction: column;
  align-items: flex-start; gap: 8px;
  position: sticky; top: calc(var(--top-h) + var(--tabs-h) + 20px); align-self: flex-start;
}
.dc-update-label { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.dc-update-body { min-width: 0; flex: 1; }
.dc-update-title { margin: 0 0 8px !important; padding: 0 !important; border: 0 !important; font-size: 17px !important; }

/* ---------- 代码块 ---------- */
.dc-code {
  margin: 16px 0; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line); background: var(--code-bg);
}
.dc-code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 12px; background: var(--code-head);
  border-bottom: 1px solid rgba(246, 246, 244, 0.07);
}
.dc-code-lang {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: #8a8f98; text-transform: uppercase;
}
.dc-copy {
  position: relative; display: inline-flex; width: 26px; height: 26px;
  align-items: center; justify-content: center; border: 0; border-radius: 6px;
  background: transparent; color: #8a8f98; cursor: pointer;
  transition: background var(--dur-sm) var(--ease), color var(--dur-sm) var(--ease);
}
.dc-copy:hover { background: rgba(246, 246, 244, 0.08); color: #e8eaed; }
.dc-copy .dc-copy-ok { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; color: #6fbf9b; }
.dc-copy.ok > svg:first-child { visibility: hidden; }
.dc-copy.ok .dc-copy-ok { display: flex; }
.dc-code pre { margin: 0; padding: 14px 16px; overflow-x: auto; font-size: 12.8px; line-height: 1.65; }
.dc-code code { color: var(--code-ink); }
.tk-kw { color: #9db9dd; }
.tk-str { color: #a8c8a0; }
.tk-cmt { color: #6d7480; font-style: italic; }
.tk-num { color: #d0b077; }
.tk-key { color: #9db9dd; }
.tk-type { color: #c9a8d4; }
.tk-flag { color: #8fb0d6; }

/* ---------- 代码组 tabs ---------- */
.dc-codegroup { margin: 16px 0; }
.dc-codegroup .dc-code { margin: 0; border-top-left-radius: 0; }
.dc-cg-tabs { display: flex; gap: 2px; }
.dc-cg-tab {
  border: 1px solid var(--line); border-bottom: 0; background: var(--bg-2);
  color: var(--muted); font-size: 12px; font-weight: 550; padding: 6px 12px;
  border-radius: 8px 8px 0 0; cursor: pointer;
  transition: background var(--dur-sm) var(--ease), color var(--dur-sm) var(--ease);
}
.dc-cg-tab.on { background: var(--code-head); color: #e8eaed; border-color: var(--line); }
.dc-cg-pane { display: none; }
.dc-cg-pane.on { display: block; }

/* ---------- 表格 ---------- */
.dc-tablewrap { margin: 18px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.dc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.dc-table th {
  text-align: left; font-weight: 600; color: var(--ink); font-size: 12.5px;
  background: var(--bg-2); padding: 9px 14px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.dc-table td { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.dc-table tr:last-child td { border-bottom: 0; }
.dc-table td code { white-space: nowrap; }

/* ---------- API 组件 ---------- */
.dc-endpoint {
  display: flex; align-items: center; gap: 10px; margin: 18px 0 26px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  padding: 9px 10px;
}
.dc-endpoint-url { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; font-size: 12.5px; color: var(--body); scrollbar-width: none; }
.dc-method {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.03em;
  padding: 3px 8px; border-radius: 6px; flex-shrink: 0;
}
.dc-method-sm {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700; letter-spacing: 0.03em;
  padding: 1.5px 5px; border-radius: 4px; flex-shrink: 0;
}
.m-get { background: var(--ok-bg); color: var(--ok); }
.m-post { background: var(--info-bg); color: var(--link); }
.m-put { background: var(--warn-bg); color: var(--warn); }
.m-delete { background: var(--danger-bg); color: var(--danger); }
.dc-try { flex-shrink: 0; height: 30px; }

.dc-param { padding: 13px 0; border-bottom: 1px solid var(--line); }
.dc-param:last-child { border-bottom: 0; }
.dc-param-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dc-param-name { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.dc-param-type { font-family: var(--font-mono); font-size: 11.5px; color: var(--dim); }
.dc-param-req { font-family: var(--font-mono); font-size: 10.5px; color: var(--danger); background: var(--danger-bg); padding: 1px 6px; border-radius: 4px; }
.dc-param-desc { margin-top: 6px; font-size: 13.5px; color: var(--body); }
.dc-param-desc p { margin: 0 0 6px; }
.dc-expandable { margin-top: 8px; border: 1px solid var(--line); border-radius: 8px; }
.dc-expandable summary {
  list-style: none; cursor: pointer; padding: 8px 12px; font-size: 12.5px; font-weight: 550;
  color: var(--muted); display: flex; align-items: center; gap: 6px;
}
.dc-expandable summary::-webkit-details-marker { display: none; }
.dc-expandable summary .chev { transition: transform var(--dur-md) var(--ease); }
.dc-expandable[open] summary .chev { transform: rotate(180deg); }
.dc-expandable-body { padding: 0 14px; }

/* API 双栏(正文 + 右侧示例) */
.dc-api-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 380px); gap: 28px; align-items: start; }
.dc-api-aside { position: sticky; top: calc(var(--top-h) + var(--tabs-h) + 24px); display: grid; gap: 14px; }
.dc-api-aside .dc-code { margin: 0; }

/* ---------- 反馈 / 翻页 / 页脚 ---------- */
.dc-feedback {
  display: flex; align-items: center; gap: 10px; margin-top: 48px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 13.5px; color: var(--muted);
}
.dc-fb-done { color: var(--ok); }

.dc-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.dc-pager-link {
  display: grid; gap: 3px; padding: 13px 16px; border: 1px solid var(--line);
  border-radius: 10px; transition: border-color var(--dur-sm) var(--ease), background var(--dur-sm) var(--ease);
}
.dc-pager-link:hover { border-color: var(--line-strong); background: var(--panel); }
.dc-pager-link.next { text-align: right; }
.dc-pager-dir { font-size: 11.5px; color: var(--dim); }
.dc-pager-title { font-size: 14px; font-weight: 550; color: var(--ink); }

.dc-foot { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.dc-foot-links { display: flex; gap: 18px; font-size: 12.5px; }
.dc-foot-links a { color: var(--muted); }
.dc-foot-links a:hover { color: var(--ink); }
.dc-foot-meta { font-size: 12px; color: var(--dim); }

/* ---------- 搜索 / 问文档 弹窗 ---------- */
.dc-search {
  position: fixed; inset: 0; z-index: 120; background: rgba(4, 4, 4, 0.55);
  display: flex; align-items: flex-start; justify-content: center; padding: 12vh 20px 20px;
}
.dc-search[hidden] { display: none; }
.dc-search-panel {
  width: 100%; max-width: 620px; background: var(--panel); border: 1px solid var(--line-strong);
  border-radius: 12px; box-shadow: var(--shadow-lg); overflow: hidden;
  animation: dc-pop var(--dur-md) var(--ease);
}
@keyframes dc-pop { from { opacity: 0; transform: translateY(6px) scale(0.985); } }
.dc-search-bar {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px;
  border-bottom: 1px solid var(--line); color: var(--dim);
}
.dc-search-bar input {
  flex: 1; border: 0; outline: none; background: transparent; color: var(--ink);
  font-size: 15px; font-family: inherit;
}
.dc-search-bar input::placeholder { color: var(--dim); }
.dc-search-results { max-height: 52vh; overflow-y: auto; padding: 8px; }
.dc-sr-group {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--dim); padding: 10px 10px 4px;
}
.dc-sr-item { display: block; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.dc-sr-item.on, .dc-sr-item:hover { background: var(--accent-soft); }
.dc-sr-title { font-size: 14px; font-weight: 550; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.dc-sr-title mark, .dc-sr-snippet mark { background: transparent; color: var(--link); font-weight: 650; }
.dc-sr-path { font-size: 11.5px; color: var(--dim); }
.dc-sr-snippet { font-size: 12.5px; color: var(--muted); margin-top: 2px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.dc-sr-empty { padding: 28px 12px; text-align: center; color: var(--dim); font-size: 13.5px; }
.dc-search-foot {
  display: flex; justify-content: space-between; padding: 9px 16px;
  border-top: 1px solid var(--line); font-size: 11.5px; color: var(--dim);
}

/* 浮动问文档条 */
.dc-ask {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 80;
  display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 8px 0 14px;
  border-radius: 999px; border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  color: var(--dim); font-size: 13px; cursor: pointer; box-shadow: var(--shadow-md);
  transition: color var(--dur-sm) var(--ease), border-color var(--dur-sm) var(--ease);
}
.dc-ask:hover { color: var(--ink); }
.dc-ask svg { color: var(--link); }
.dc-askbtn svg { color: var(--link); }

/* ---------- Playground ---------- */
.dc-pg-hero { text-align: center; padding: 16px 0 8px; }
.dc-pg-hero h1 { font-size: 34px !important; }
.dc-pg-flow { display: grid; gap: 0; margin-top: 28px; }
.dc-pg-connector { width: 2px; height: 64px; margin: 0 auto; background: linear-gradient(to bottom, var(--line-strong), var(--accent)); border-radius: 1px; }
.dc-pg-card { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 24px; }
.dc-pg-card h2 { margin: 0 0 4px !important; padding: 0 !important; border: 0 !important; font-size: 18px !important; }
.dc-pg-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.dc-pg-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 22px; align-items: start; }
.dc-pg-fields { display: grid; gap: 12px; }
.dc-pg-field { display: grid; gap: 5px; }
.dc-pg-field label {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
}
.dc-pg-field input, .dc-pg-field select {
  height: 36px; border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--bg); color: var(--ink); padding: 0 10px; font-size: 13.5px;
  font-family: inherit; transition: border-color var(--dur-sm) var(--ease);
}
.dc-pg-field input:focus, .dc-pg-field select:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.dc-pg-run { margin-top: 4px; justify-self: start; }
.dc-pg-out { display: grid; gap: 10px; min-width: 0; }
.dc-pg-out > div { min-width: 0; }
.dc-pg-out .dc-code { margin: 0; min-width: 0; }
.dc-pg-out .dc-code pre { max-height: 240px; overflow: auto; }
.dc-pg-outlabel { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--dim); }
.dc-pg-demochip {
  font-family: var(--font-mono); font-size: 10px; padding: 1px 6px; border-radius: 4px;
  background: var(--warn-bg); color: var(--warn); letter-spacing: 0.04em;
}
.dc-pg-device { position: relative; display: flex; justify-content: center; padding: 8px 0 16px; }
.dc-pg-device img { max-height: 260px; width: auto; border-radius: 10px; }
.dc-pg-recbtn {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 10px;
  border: 1px solid var(--line-strong); background: var(--panel); color: var(--ink);
  height: 34px; padding: 0 14px; border-radius: 999px; font-size: 13px; cursor: pointer;
}
.dc-pg-recdot { width: 9px; height: 9px; border-radius: 50%; background: #b4392e; }
.dc-pg-recbtn.on .dc-pg-recdot { animation: dc-rec 1.6s cubic-bezier(0.65, 0, 0.35, 1) infinite; }
@keyframes dc-rec { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.dc-pg-timer { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .dc-toc { display: none; }
  .dc-api-cols { grid-template-columns: 1fr; }
  .dc-api-aside { position: static; }
}
@media (max-width: 900px) {
  .dc-menubtn { display: inline-flex; }
  .dc-side {
    position: fixed; left: 0; top: 0; z-index: 95; height: 100dvh;
    background: var(--bg); border-right: 1px solid var(--line-strong);
    transform: translateX(-100%); transition: transform var(--dur-md) var(--ease);
    padding-top: 20px; width: min(300px, 84vw);
  }
  .dc-side.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .dc-article { padding: 28px 20px 56px; }
  .dc-searchbar span { display: none; }
  .dc-searchbar { flex: 0 0 auto; width: 38px; justify-content: center; padding: 0; margin: 0 0 0 auto; }
  .dc-searchbar kbd { display: none; }
  .dc-top-link, .dc-top-cta, .dc-askbtn span { display: none; }
  .dc-cardgrid.cols-2, .dc-cardgrid.cols-3 { grid-template-columns: 1fr; }
  .dc-pg-grid { grid-template-columns: 1fr; }
  .dc-update { flex-direction: column; gap: 10px; }
  .dc-update-meta { position: static; flex-direction: row; align-items: center; width: auto; }
  .dc-pager { grid-template-columns: 1fr; }
  .dc-article h1 { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}