/* ============================================================
   文档页样式(基于主站「稿纸与墨」体系)
   ============================================================ */

.docs-layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px 64px;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 52px;
  align-items: start;
}

/* ---------- 文档搜索（通栏，置于 docs-layout 之上） ---------- */
.doc-search {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 36px) 24px 0;
  position: relative;
  z-index: 60;
}
.doc-search-inner { position: relative; max-width: 640px; margin: 0 auto; }
.doc-search input {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--serif);
  font-size: 15.5px;
  color: var(--ink);
  padding: 12px 76px 12px 42px;
  border: 2px solid var(--ink);
  border-radius: 13px;
  background: var(--paper-raise, #fff);
  box-shadow: 0 5px 0 rgba(9, 14, 55, 0.14);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
.doc-search input::-webkit-search-cancel-button { display: none; }
.doc-search input::placeholder { color: var(--ink-3); }
.doc-search input:focus {
  border-color: var(--red);
  box-shadow: 0 5px 0 rgba(39, 66, 214, 0.22);
}
.doc-search-inner::before {
  content: "⌕";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-52%);
  font-size: 21px;
  color: var(--ink-3);
  pointer-events: none;
  transition: color 0.15s;
}
.doc-search-inner:focus-within::before { color: var(--red); }
.ds-kbd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  border: 1.5px solid var(--line);
  border-radius: 6px;
  padding: 2px 8px;
  background: var(--paper, #fafaf7);
  pointer-events: none;
}
.doc-search-results {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 14px;
  box-shadow: 0 26px 52px rgba(9, 14, 55, 0.2);
  overflow-y: auto;
  max-height: min(62vh, 520px);
  overscroll-behavior: contain;
}
.doc-search-results[hidden] { display: none; }
.ds-head {
  padding: 9px 16px 6px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.4px;
  color: var(--ink-3);
  border-bottom: 1px dashed var(--line);
}
.ds-item {
  display: block;
  padding: 11px 16px;
  border-left: 3px solid transparent;
  border-bottom: 1px dashed var(--line);
  transition: background 0.12s, border-color 0.12s, padding-left 0.12s;
}
.ds-item:last-child { border-bottom: none; }
.ds-item b {
  display: block;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
}
.ds-item .ds-snip {
  display: block;
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.75;
  margin-top: 3px;
}
.ds-item:hover, .ds-item.sel {
  background: rgba(39, 66, 214, 0.05);
  border-left-color: var(--red);
  padding-left: 13px;
}
.doc-search-results mark {
  background: rgba(255, 212, 0, 0.5);
  color: var(--red-deep);
  padding: 0 1px;
  border-radius: 3px;
}
.ds-empty { padding: 15px 16px 17px; font-size: 13.5px; color: var(--ink-2); font-family: var(--serif); }
@media (max-width: 960px) {
  .doc-search { padding-top: calc(var(--nav-h) + 24px); }
  .doc-search input { padding-right: 42px; font-size: 16px; }
  .ds-kbd { display: none; }
}

/* ---------- 侧栏 ---------- */
.docs-side {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: grid;
  gap: 1px;
}
.side-title {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 1.5px;
  color: var(--ink-3);
  margin: 18px 0 8px;
}
.side-title:first-child { margin-top: 0; }
.side-link {
  font-size: 13.5px;
  color: var(--ink-2);
  padding: 6px 10px;
  border-left: 2px solid var(--line);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.side-link:hover { color: var(--red); border-left-color: var(--red); background: rgba(39, 66, 214, 0.04); }
.side-link.active {
  color: var(--red-deep);
  border-left-color: var(--red);
  font-weight: 700;
  background: rgba(39, 66, 214, 0.05);
}
.side-link.ext::after { content: " ↗"; color: var(--ink-3); font-size: 11px; }

/* ---------- 正文 ---------- */
.doc-crumb {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--red);
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.doc-page h1 {
  font-family: var(--serif);
  font-size: clamp(27px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.35;
  margin-bottom: 10px;
}
.doc-sub { color: var(--ink-2); font-size: 15px; margin-bottom: 8px; }
.doc-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 34px;
}
.doc-meta a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

.doc-page h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  margin: 46px 0 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  letter-spacing: 0.5px;
}
.doc-page h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.doc-page h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin: 30px 0 10px;
}
.doc-page p { margin: 12px 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.95; }
.doc-page p b, .doc-page li b { color: var(--ink); }
.doc-page ul, .doc-page ol { padding-left: 22px; margin: 12px 0; }
.doc-page li { margin: 6px 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.9; }
.doc-page li::marker { color: var(--red); }

/* 文内行内代码 */
.doc-page code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--red-deep);
  background: rgba(39, 66, 214, 0.07);
  border: 1px solid rgba(39, 66, 214, 0.16);
  border-radius: 3px;
  padding: 0 5px;
  word-break: break-all;
}
/* 代码块 */
.doc-page pre {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--ink);
  border-radius: 4px;
  padding: 16px 20px;
  font-family: var(--mono);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 12.5px;
  line-height: 1.85;
  overflow-x: auto;
  margin: 16px 0;
}
.doc-page pre code {
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
  word-break: normal;
}
.doc-page pre .c-cm { color: #7e8899; }
.doc-page pre .c-kw { color: #8fa6ff; }
.doc-page pre .c-fn { color: #6fd3c7; }
.doc-page pre .c-str { color: #ffd866; }
.doc-page pre .c-key { color: #9ed2f0; }
.doc-page pre .c-pr { color: #c0a8ff; }

/* 表格 */
.doc-table-wrap { overflow-x: auto; margin: 16px 0; }
.doc-page table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  border: 1px solid var(--line-strong);
}
.doc-page thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--ink);
  background: var(--paper-deep);
  padding: 9px 14px;
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}
.doc-page tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  vertical-align: top;
  line-height: 1.75;
}
.doc-page tbody tr:last-child td { border-bottom: none; }
.doc-page tbody tr:hover { background: rgba(242, 244, 247, 0.7); }
.doc-page td code { white-space: nowrap; }

/* 提示框 */
.doc-note {
  border-left: 3px solid var(--red);
  background: rgba(39, 66, 214, 0.045);
  padding: 12px 18px;
  margin: 18px 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.85;
}
.doc-note b { color: var(--red-deep); }
.doc-note code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red-deep);
  background: rgba(39, 66, 214, 0.08);
  padding: 0 4px;
  border-radius: 3px;
}

/* 上一篇 / 下一篇 */
.doc-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 52px;
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}
.doc-pager a {
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 13px 17px;
  transition: border-color 0.15s, background 0.15s;
}
.doc-pager a:hover { border-color: var(--red); background: rgba(39, 66, 214, 0.04); }
.doc-pager a.next { text-align: right; }
.doc-pager .pg-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 1px;
  margin-bottom: 3px;
}
.doc-pager .pg-title { font-size: 14px; font-weight: 700; color: var(--ink); }

/* ---------- 文档总览页 ---------- */
.route-list { list-style: none; margin: 16px 0 8px; border-top: 1px solid var(--line-strong); }
.route-list li {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  align-items: baseline;
}
.route-list .r-aim { color: var(--ink); font-weight: 600; }
.route-list .r-docs { color: var(--ink-2); }
.route-list .r-docs a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.route-list .r-docs a:hover { color: var(--red); }

.doc-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 20px 0;
}
.doc-card2 {
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--paper-raise);
  padding: 20px 22px;
  display: block;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.doc-card2:hover { border-color: var(--red); box-shadow: 4px 4px 0 rgba(22, 24, 29, 0.1); }
.doc-card2 code {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red-deep);
}
.doc-card2 b {
  display: block;
  font-family: var(--serif);
  font-size: 17px;
  margin: 6px 0 5px;
  color: var(--ink);
}
.doc-card2 span { font-size: 13px; color: var(--ink-2); line-height: 1.75; display: block; }

.repo-docs {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 2.2;
}
.repo-docs a { color: var(--blue); border-bottom: 1px dashed rgba(53, 89, 126, 0.5); margin-right: 14px; white-space: nowrap; }
.repo-docs a:hover { color: var(--red); border-bottom-color: var(--red); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-top: 0; }
  .docs-side {
    position: static;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
  }
  .side-title { display: none; }
  .side-link { border-left: none; border-bottom: 2px solid transparent; white-space: nowrap; }
  .side-link.active { border-bottom-color: var(--red); }
  .route-list li { grid-template-columns: 1fr; gap: 3px; }
  .doc-cards { grid-template-columns: 1fr; }
  .doc-pager { grid-template-columns: 1fr; }
  .doc-pager a.next { text-align: left; }
}

/* ============================================================
   v9 文档页交互动效层（hover / active / focus 触发，无背景动画）
   ============================================================ */

/* 键盘焦点可见性 */
:focus-visible { outline: 2.5px dashed var(--red); outline-offset: 3px; border-radius: 8px; }

/* 侧栏链接：右移 + 圆点标记滑入 */
.side-link { transition: color 0.15s, border-color 0.15s, background 0.15s, padding-left 0.18s ease; }
.side-link:hover { padding-left: 14px; }

/* 顶栏返回链接 / 仓库链接 */
.doc-top a, .repo-docs a { transition: color 0.15s; }
.doc-top a:hover { color: var(--red); }

/* 上一页 / 下一页分页器：上浮 + 贴纸影 */
.doc-pager a { transition: border-color 0.15s, background 0.15s, transform 0.18s ease, box-shadow 0.18s ease; }
.doc-pager a:hover { transform: translateY(-3px); box-shadow: 5px 5px 0 rgba(39, 66, 214, 0.22); border-color: var(--red); }
.doc-pager a:active { transform: translateY(0) scale(0.97); box-shadow: none; }

/* 文档卡片：上浮 + 标题变色 */
.doc-card2 { transition: border-color 0.15s, box-shadow 0.15s, transform 0.2s ease; }
.doc-card2:hover { transform: translateY(-3px); box-shadow: 6px 6px 0 rgba(39, 66, 214, 0.24); }
.doc-card2 h3 { transition: color 0.18s; }
.doc-card2:hover h3 { color: var(--red-deep); }
.doc-card2 .doc-card2-arrow { transition: transform 0.2s ease; }
.doc-card2:hover .doc-card2-arrow { transform: translateX(4px); }

/* 表格行 hover 已有底色；补充过渡 */
.doc-page tbody tr { transition: background 0.15s; }

/* 代码块 hover 描边微亮 */
.doc-page pre { transition: border-color 0.2s; }
.doc-page pre:hover { border-color: var(--pink-line); }

/* 提示框（tip / warn）hover 无动作，保持静态 */

/* ============================================================
   v10 手作感层（文档页）：卡片交错微旋 + hover 摆正
   ============================================================ */
.docs-list .doc-card2:nth-child(odd) { transform: rotate(-0.5deg); }
.docs-list .doc-card2:nth-child(even) { transform: rotate(0.5deg); }
.docs-list .doc-card2:hover { transform: translateY(-3px) rotate(0deg); }

@media (max-width: 960px) {
  .docs-list .doc-card2:nth-child(n) { transform: none; }
}

/* ============================================================
   v11 国际化层（文档页）：去旋转、规则圆角、冷灰 hover
   ============================================================ */
.docs-list .doc-card2:nth-child(odd), .docs-list .doc-card2:nth-child(even) { transform: none; }
.docs-list .doc-card2:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(22, 24, 29, 0.10); }
.doc-card2 { border-radius: 10px; }
.doc-page pre { border-radius: 8px; }
.side-link { border-radius: 0 6px 6px 0; }

/* ---------- v19 补：MD 直译页元素（blockquote / hr / 数字高亮 / 代码语言标签） ---------- */
.doc-page blockquote {
  margin: 14px 0; padding: 12px 18px;
  border-left: 3px solid var(--red);
  background: var(--pink-soft);
  border-radius: 0 8px 8px 0;
  color: var(--ink-2); font-size: 14px; line-height: 1.9;
}
.doc-page blockquote p { margin: 4px 0; }
.doc-page hr { border: none; border-top: 1px dashed var(--line-strong); margin: 30px 0; }
.doc-page pre .c-num { color: #9ed2f0; }
.doc-page pre[data-lang]:not([data-lang=""])::after {
  content: attr(data-lang);
  position: absolute; top: 8px; right: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 1px;
  color: #6b7688; text-transform: uppercase;
}
.doc-page pre[data-lang] { position: relative; }

/* ---------- v21 补：文档代码块复制按钮（hover 浮现，移动端常显） ---------- */
.doc-page pre { position: relative; }
.doc-page pre .doc-copy {
  position: absolute; top: 10px; right: 46px;
  padding: 3px 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.5px;
  background: rgba(255, 255, 255, 0.06); color: #aab3c2;
  border: 1px solid rgba(255, 255, 255, 0.14); border-radius: 5px;
  cursor: pointer; opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}
.doc-page pre:hover .doc-copy, .doc-page pre .doc-copy:focus-visible { opacity: 1; }
.doc-page pre .doc-copy:hover { background: rgba(255, 255, 255, 0.12); color: #ffffff; }
.doc-page pre .doc-copy.ok { background: var(--red); border-color: var(--red); color: #ffffff; opacity: 1; }
@media (hover: none) {
  .doc-page pre .doc-copy { opacity: 1; }
}

/* ---------- 「在工作台打开」直达按钮(v37) ---------- */
.doc-try {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 16px 0 24px; padding: 12px 16px;
  border: 1.5px dashed var(--red); border-radius: 12px;
  background: rgba(39, 66, 214, 0.04);
}
.doc-try-btn {
  font-family: var(--mono); font-size: 12.5px; font-weight: 700; letter-spacing: 0.5px;
  color: #fff; background: var(--red); border-radius: 9px; padding: 7px 14px;
  text-decoration: none; box-shadow: 0 3px 0 rgba(9, 14, 55, 0.22);
  transition: transform 0.12s, box-shadow 0.12s;
}
.doc-try-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 0 rgba(9, 14, 55, 0.26); }
.doc-try-btn:focus-visible { outline: 2.5px dashed var(--red); outline-offset: 2px; }
.doc-try-note { font-family: var(--serif); font-size: 12px; color: var(--ink-3); }