/* Pin quick reference */
    .rail-lookup {
      display: inline-flex;
      align-items: center;
      flex: 0 0 auto;
      gap: 6px;
      height: 30px;
      margin-left: 8px;
      padding: 0 12px;
      color: var(--panel-text);
      background: var(--ink);
      border: 1px solid var(--ink);
      border-radius: 999px;
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.03em;
      white-space: nowrap;
      cursor: pointer;
      transition: background-color 0.2s ease, border-color 0.2s ease;
    }

    .rail-lookup svg { width: 12px; height: 12px; flex: 0 0 auto; }
    .rail-lookup:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
    .rail-lookup:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
    .rail-lookup-short { display: none; }

    .pin-lookup {
      position: fixed;
      inset: 0 0 0 auto;
      display: flex;
      width: min(980px, 100vw);
      max-width: none;
      height: 100vh;
      height: 100dvh;
      max-height: none;
      margin: 0;
      padding: 0;
      overflow: hidden;
      flex-direction: column;
      color: var(--ink);
      background: var(--bg);
      border: 0;
      border-left: 1px solid var(--line-strong);
      box-shadow: -30px 0 80px -40px rgba(18, 20, 16, 0.65);
    }

    .pin-lookup:not([open]) { display: none; }

    .pin-lookup::backdrop {
      background: rgba(18, 20, 16, 0.58);
      -webkit-backdrop-filter: blur(4px);
      backdrop-filter: blur(4px);
    }

    html.pin-lookup-open,
    html.pin-lookup-open body { overflow: hidden; }

    .pin-lookup-head {
      display: flex;
      flex: 0 0 auto;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
      padding: 23px 26px 17px;
      background: var(--bg-soft);
      border-bottom: 1px solid var(--line);
    }

    .pin-lookup-kicker {
      display: flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 9px;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.13em;
      text-transform: uppercase;
    }

    .pin-lookup-kicker::before {
      width: 18px;
      height: 1px;
      content: "";
      background: var(--accent);
    }

    .pin-lookup-head h2 {
      margin: 0;
      font-family: var(--serif);
      font-size: 24px;
      font-weight: 500;
      line-height: 1.1;
      letter-spacing: -0.03em;
    }

    .pin-lookup-deck {
      max-width: 690px;
      margin: 8px 0 0;
      color: var(--ink-faint);
      font-size: 9.5px;
      line-height: 1.65;
    }

    .pin-lookup-close {
      flex: 0 0 auto;
      padding: 7px 10px;
      color: var(--ink-soft);
      background: transparent;
      border: 1px solid var(--line-strong);
      border-radius: 2px;
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.03em;
      cursor: pointer;
      transition: color 0.18s ease, border-color 0.18s ease;
    }

    .pin-lookup-close:hover { color: var(--accent-deep); border-color: rgba(198, 94, 56, 0.5); }

    .pin-lookup-tools {
      display: grid;
      flex: 0 0 auto;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 14px;
      padding: 13px 26px 11px;
      background: var(--bg-soft);
    }

    .pin-search {
      position: relative;
      display: flex;
      align-items: center;
      min-width: 0;
    }

    .pin-search > svg {
      position: absolute;
      left: 11px;
      width: 13px;
      height: 13px;
      color: var(--ink-faint);
      pointer-events: none;
    }

    .pin-search input {
      width: 100%;
      height: 38px;
      padding: 0 35px 0 33px;
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line-strong);
      border-radius: 2px;
      font-family: var(--sans);
      font-size: 12px;
      outline: none;
      transition: border-color 0.18s ease, box-shadow 0.18s ease;
    }

    .pin-search input::placeholder { color: #9a9c91; }
    .pin-search input:focus { border-color: rgba(198, 94, 56, 0.55); box-shadow: 0 0 0 3px rgba(198, 94, 56, 0.08); }

    .pin-search-clear {
      position: absolute;
      right: 7px;
      display: grid;
      width: 22px;
      height: 22px;
      place-items: center;
      color: var(--ink-faint);
      background: transparent;
      border: 0;
      border-radius: 50%;
      font-size: 15px;
      line-height: 1;
      cursor: pointer;
    }

    .pin-search-clear:hover { color: var(--ink); background: rgba(29, 32, 26, 0.07); }

    .pin-lookup-count {
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .pin-tabs {
      display: flex;
      flex: 0 0 auto;
      align-items: stretch;
      gap: 4px;
      padding: 0 26px;
      overflow-x: auto;
      background: var(--bg-soft);
      border-bottom: 1px solid var(--line);
      scrollbar-width: none;
    }

    .pin-tabs::-webkit-scrollbar { display: none; }

    .pin-tab {
      position: relative;
      display: inline-flex;
      align-items: center;
      flex: 0 0 auto;
      gap: 5px;
      height: 38px;
      padding: 0 10px;
      color: var(--ink-faint);
      background: transparent;
      border: 0;
      border-bottom: 2px solid transparent;
      font-family: var(--mono);
      font-size: 9.5px;
      letter-spacing: 0.02em;
      white-space: nowrap;
      cursor: pointer;
      transition: color 0.18s ease, border-color 0.18s ease;
    }

    .pin-tab:hover { color: var(--ink); }
    .pin-tab.is-active { color: var(--ink); border-bottom-color: var(--accent); }
    .pin-tab-count { color: var(--accent-deep); font-size: 7.5px; }
    .pin-tab-count::before { content: "("; }
    .pin-tab-count::after { content: ")"; }
    .pin-tab-count[hidden] { display: none; }

    .pin-lookup-body {
      flex: 1 1 auto;
      min-height: 0;
      padding: 2px 26px 26px;
      overflow-y: auto;
      overscroll-behavior: contain;
      scrollbar-gutter: stable;
    }

    .pin-panel { padding-top: 2px; }
    .pin-panel[hidden] { display: none !important; }

    .pin-block { margin-top: 18px; }
    .pin-block:first-child { margin-top: 14px; }

    .pin-block-title {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 7px;
      color: var(--ink-soft);
      font-family: var(--mono);
      font-size: 8px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .pin-block-title::before {
      width: 3px;
      height: 3px;
      flex: 0 0 auto;
      content: "";
      background: var(--accent);
    }

    .pin-table-wrap {
      overflow-x: auto;
      background: rgba(255, 255, 255, 0.22);
      border-top: 1px solid var(--line-strong);
      border-bottom: 1px solid var(--line);
      -webkit-overflow-scrolling: touch;
    }

    .pin-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 11px;
      line-height: 1.55;
    }

    .pin-panel[data-pin-panel="pins"] .pin-table { min-width: 610px; }
    .pin-panel[data-pin-panel="comms"] .pin-table { min-width: 760px; }
    .pin-panel[data-pin-panel="timadc"] .pin-table { min-width: 760px; }
    .pin-panel[data-pin-panel="special"] .pin-table { min-width: 570px; }
    .pin-panel[data-pin-panel="api"] .pin-table { min-width: 690px; }

    .pin-table th {
      position: sticky;
      top: 0;
      z-index: 2;
      padding: 8px 9px;
      color: var(--ink-faint);
      background: #f0eadf;
      border-bottom: 1px solid var(--line-strong);
      font-family: var(--mono);
      font-size: 7.5px;
      font-weight: 500;
      letter-spacing: 0.05em;
      text-align: left;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .pin-table td {
      padding: 8px 9px;
      color: var(--ink-soft);
      border-bottom: 1px solid rgba(29, 32, 26, 0.075);
      vertical-align: top;
    }

    .pin-table tbody tr:last-child td { border-bottom: 0; }
    .pin-table tbody tr:hover td { background: rgba(198, 94, 56, 0.045); }

    .pin-num {
      width: 34px;
      color: #9b9d91 !important;
      font-family: var(--mono);
      font-size: 8px;
      white-space: nowrap;
    }

    .pin-name { min-width: 108px; }

    .pin-name-main {
      color: var(--ink);
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 600;
      white-space: nowrap;
    }

    .pin-sub {
      display: block;
      margin-top: 1px;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 7.5px;
      line-height: 1.5;
    }

    .pin-ft-inline {
      display: none;
      margin-left: 4px;
      padding: 1px 3px;
      color: var(--accent-deep);
      border: 1px solid rgba(198, 94, 56, 0.28);
      border-radius: 2px;
      font-family: var(--mono);
      font-size: 6.5px;
      font-weight: 500;
      vertical-align: 1px;
      white-space: nowrap;
    }

    .pin-common {
      display: inline-block;
      margin-left: 4px;
      padding: 1px 3px;
      color: var(--accent-deep);
      background: var(--accent-soft);
      border-radius: 2px;
      font-family: var(--mono);
      font-size: 6.5px;
      font-weight: 500;
      vertical-align: 1px;
      white-space: nowrap;
    }

    .pin-func {
      display: block;
      color: var(--ink);
      font-size: 10.5px;
      line-height: 1.6;
    }

    .pin-remap {
      display: block;
      margin-top: 2px;
      color: var(--ink-soft);
      font-size: 9.5px;
      line-height: 1.55;
    }

    .pin-remap b {
      margin-right: 4px;
      color: var(--accent-deep);
      font-family: var(--mono);
      font-size: 7px;
      font-weight: 500;
      letter-spacing: 0.02em;
    }

    .pin-note {
      display: block;
      margin-top: 2px;
      color: var(--ink-faint);
      font-size: 9px;
      line-height: 1.55;
    }

    .pin-ft {
      width: 40px;
      color: var(--accent-deep) !important;
      font-family: var(--mono);
      font-size: 8px;
      white-space: nowrap;
    }

    .pin-cell { font-size: 10.5px; line-height: 1.65; }
    .pin-cell code, .pin-peripheral {
      font-family: var(--mono);
    }

    .pin-table code {
      color: var(--ink);
      font-size: 9px;
      white-space: normal;
      overflow-wrap: anywhere;
      word-break: break-word;
    }

    .pin-peripheral {
      min-width: 84px;
      color: var(--ink) !important;
      font-size: 10px;
      font-weight: 600;
      white-space: nowrap;
    }

    .pin-empty {
      padding: 28px 0;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 9px;
      text-align: center;
    }

    .pin-scroll-hint {
      display: none;
      margin: 3px 0 6px;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.03em;
    }

    .pin-footnote {
      margin: 12px 0 0;
      color: var(--ink-faint);
      font-size: 8.5px;
      line-height: 1.7;
    }

    @media (max-width: 820px) {
      .pin-lookup { border-left: 0; }
      .pin-lookup-head { padding: 17px 18px 13px; gap: 14px; }
      .pin-lookup-head h2 { font-size: 21px; }
      .pin-lookup-deck { font-size: 8.5px; }
      .pin-lookup-tools { padding: 11px 18px 9px; gap: 10px; }
      .pin-tabs { padding: 0 18px; }
      .pin-lookup-body { padding: 2px 18px 22px; }
      .pin-lookup-count { font-size: 7.5px; }
    }

    @media (max-width: 680px) {
      .rail-lookup {
        height: 28px;
        gap: 5px;
        margin-left: 6px;
        padding: 0 9px;
        font-size: 8.5px;
      }

      .rail-lookup-full { display: inline; }
      .rail-lookup-short { display: none; }

      .pin-lookup-deck { display: none; }
      .pin-lookup-head { align-items: center; }
      .pin-lookup-kicker { margin-bottom: 6px; }
      .pin-lookup-close { padding: 6px 8px; font-size: 7.5px; }
      .pin-search input { height: 36px; font-size: 11.5px; }
      .pin-lookup-tools { grid-template-columns: minmax(0, 1fr) auto; }
      .pin-tab { height: 36px; padding: 0 8px; font-size: 9px; }
      .pin-lookup-body { padding: 0 18px 20px; }
      .pin-table th { padding: 7px 8px; }
      .pin-table td { padding: 7px 8px; }

      .pin-panel[data-pin-panel="pins"] .pin-table { min-width: 0; }
      .pin-panel[data-pin-panel="pins"] .pin-table th:last-child,
      .pin-panel[data-pin-panel="pins"] .pin-table td:last-child { display: none; }
      .pin-panel[data-pin-panel="pins"] .pin-name { min-width: 84px; }
      .pin-panel[data-pin-panel="pins"] .pin-func { font-size: 10px; }
      .pin-panel[data-pin-panel="pins"] .pin-remap { font-size: 9px; }
      .pin-panel[data-pin-panel="pins"] .pin-note { font-size: 8.5px; }
      .pin-panel[data-pin-panel="pins"] .pin-ft-inline { display: inline-block; }
      .pin-scroll-hint { display: block; }
    }

    @media print {
      .rail-lookup, .pin-lookup { display: none !important; }
    }

/* ---------- 全站浮标入口（没有页面自带入口时由 pin-lookup.js 注入） ---------- */
.pin-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  padding: 9px 16px;
  color: #f3efe4;
  background: #20231d;
  border: 1px solid #20231d;
  border-radius: 999px;
  box-shadow: 0 16px 30px -20px rgba(22, 25, 19, 0.6);
  font-family: var(--sans, system-ui, sans-serif);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.pin-fab:hover { background: #292d25; }

/* 右下角有聊天浮标时往上让开一格，两个胶囊叠成一列而不是并排撞位 */
.pin-fab-lift { bottom: 74px; }

/* ---------- 参考手册页码标 ---------- */
.pin-rm {
  display: inline-block;
  margin-left: 7px;
  padding: 1px 5px;
  color: var(--ink-faint, #83857a);
  background: rgba(29, 32, 26, 0.05);
  border: 1px solid var(--line, rgba(29, 32, 26, 0.12));
  border-radius: 2px;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.02em;
  vertical-align: 1px;
  white-space: nowrap;
  cursor: help;
}

.pin-rm:hover {
  color: var(--accent-deep, #a84a28);
  border-color: rgba(198, 94, 56, 0.4);
  background: rgba(198, 94, 56, 0.08);
}

@media (max-width: 680px) {
  .pin-fab { padding: 8px 12px; font-size: 11.5px; }
  .pin-fab-lift { bottom: 68px; }
  .pin-rm { font-size: 8.5px; margin-left: 5px; padding: 1px 4px; }
}

@media print {
  .pin-fab { display: none !important; }
}